diff --git a/ai-platform/snippets/package.json b/ai-platform/snippets/package.json
index 2de402a81b..52f771507d 100644
--- a/ai-platform/snippets/package.json
+++ b/ai-platform/snippets/package.json
@@ -18,11 +18,11 @@
     "@google-cloud/storage": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
 
diff --git a/appengine/analytics/package.json b/appengine/analytics/package.json
index 6fa1da9de6..57372a43fe 100644
--- a/appengine/analytics/package.json
+++ b/appengine/analytics/package.json
@@ -22,7 +22,7 @@
     "node-fetch": "^2.6.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/building-an-app/build/package.json b/appengine/building-an-app/build/package.json
index 1261d91729..f656afbad6 100644
--- a/appengine/building-an-app/build/package.json
+++ b/appengine/building-an-app/build/package.json
@@ -22,7 +22,7 @@
     "express": "^4.16.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/building-an-app/update/package.json b/appengine/building-an-app/update/package.json
index 2c9c88b559..8cfdcfcc06 100644
--- a/appengine/building-an-app/update/package.json
+++ b/appengine/building-an-app/update/package.json
@@ -22,10 +22,10 @@
     "express": "^4.16.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.3",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/appengine/datastore/package.json b/appengine/datastore/package.json
index ec691b3e3d..7789458962 100644
--- a/appengine/datastore/package.json
+++ b/appengine/datastore/package.json
@@ -22,7 +22,7 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/endpoints/package.json b/appengine/endpoints/package.json
index d181920165..9124da07e1 100644
--- a/appengine/endpoints/package.json
+++ b/appengine/endpoints/package.json
@@ -22,11 +22,11 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/appengine/hello-world/flexible/package.json b/appengine/hello-world/flexible/package.json
index 909281a801..bfd41c6eec 100644
--- a/appengine/hello-world/flexible/package.json
+++ b/appengine/hello-world/flexible/package.json
@@ -20,7 +20,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/hello-world/flexible_nodejs16_and_earlier/package.json b/appengine/hello-world/flexible_nodejs16_and_earlier/package.json
index ad9e77f4e5..ab1493a07d 100644
--- a/appengine/hello-world/flexible_nodejs16_and_earlier/package.json
+++ b/appengine/hello-world/flexible_nodejs16_and_earlier/package.json
@@ -20,7 +20,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/hello-world/standard/package.json b/appengine/hello-world/standard/package.json
index 2d1ae03a7d..f4dc7a0a3c 100644
--- a/appengine/hello-world/standard/package.json
+++ b/appengine/hello-world/standard/package.json
@@ -20,7 +20,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/memcached/package.json b/appengine/memcached/package.json
index 7ec251edc2..7ff26197d1 100644
--- a/appengine/memcached/package.json
+++ b/appengine/memcached/package.json
@@ -17,7 +17,7 @@
     "memjs": "^1.2.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "wait-port": "^1.0.4"
diff --git a/appengine/metadata/flexible/package.json b/appengine/metadata/flexible/package.json
index 1de8c57819..64bbaa2641 100644
--- a/appengine/metadata/flexible/package.json
+++ b/appengine/metadata/flexible/package.json
@@ -21,7 +21,7 @@
     "node-fetch": "^2.6.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/metadata/flexible_nodejs16_and_earlier/package.json b/appengine/metadata/flexible_nodejs16_and_earlier/package.json
index ea7ce8d0e5..250df2b24e 100644
--- a/appengine/metadata/flexible_nodejs16_and_earlier/package.json
+++ b/appengine/metadata/flexible_nodejs16_and_earlier/package.json
@@ -21,7 +21,7 @@
     "node-fetch": "^2.6.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/metadata/standard/package.json b/appengine/metadata/standard/package.json
index 18b00257f0..e63be2df96 100644
--- a/appengine/metadata/standard/package.json
+++ b/appengine/metadata/standard/package.json
@@ -21,7 +21,7 @@
     "node-fetch": "^2.6.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/pubsub/package.json b/appengine/pubsub/package.json
index 75c1accd86..8c94607629 100644
--- a/appengine/pubsub/package.json
+++ b/appengine/pubsub/package.json
@@ -19,12 +19,12 @@
     "pug": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.3.7",
     "jsonwebtoken": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.3",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/appengine/static-files/package.json b/appengine/static-files/package.json
index 23acdf63a6..cbaba1326d 100644
--- a/appengine/static-files/package.json
+++ b/appengine/static-files/package.json
@@ -17,7 +17,7 @@
     "pug": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/appengine/storage/flexible/package.json b/appengine/storage/flexible/package.json
index c0ba549465..7c72565fb5 100644
--- a/appengine/storage/flexible/package.json
+++ b/appengine/storage/flexible/package.json
@@ -20,7 +20,7 @@
     "@types/proxyquire": "^1.3.28",
     "@types/supertest": "^2.0.12",
     "@types/uuid": "^9.0.1",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
     "proxyquire": "^2.1.3",
     "supertest": "^6.3.3",
diff --git a/appengine/storage/flexible_nodejs16_and_earlier/package.json b/appengine/storage/flexible_nodejs16_and_earlier/package.json
index 4b8b4f3f8d..20e43c975a 100644
--- a/appengine/storage/flexible_nodejs16_and_earlier/package.json
+++ b/appengine/storage/flexible_nodejs16_and_earlier/package.json
@@ -20,7 +20,7 @@
     "@types/proxyquire": "^1.3.28",
     "@types/supertest": "^2.0.12",
     "@types/uuid": "^9.0.1",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
     "proxyquire": "^2.1.3",
     "supertest": "^6.3.3",
diff --git a/appengine/storage/standard/package.json b/appengine/storage/standard/package.json
index c0ba549465..7c72565fb5 100644
--- a/appengine/storage/standard/package.json
+++ b/appengine/storage/standard/package.json
@@ -20,7 +20,7 @@
     "@types/proxyquire": "^1.3.28",
     "@types/supertest": "^2.0.12",
     "@types/uuid": "^9.0.1",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
     "proxyquire": "^2.1.3",
     "supertest": "^6.3.3",
diff --git a/appengine/twilio/package.json b/appengine/twilio/package.json
index a920dd0211..24560b3613 100644
--- a/appengine/twilio/package.json
+++ b/appengine/twilio/package.json
@@ -17,10 +17,10 @@
     "twilio": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/appengine/typescript/package.json b/appengine/typescript/package.json
index a460ea73ee..33b2aa6ff9 100644
--- a/appengine/typescript/package.json
+++ b/appengine/typescript/package.json
@@ -28,7 +28,7 @@
   "devDependencies": {
     "@types/express": "^4.17.17",
     "@types/node": "^18.13.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.3.7",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
diff --git a/appengine/websockets/package.json b/appengine/websockets/package.json
index 9680e31a4d..cc924c5435 100644
--- a/appengine/websockets/package.json
+++ b/appengine/websockets/package.json
@@ -21,7 +21,7 @@
     "supertest": "^6.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "puppeteer": "^21.0.0"
   }
diff --git a/asset/snippets/package.json b/asset/snippets/package.json
index e1587d3bc4..5865d1e3f9 100644
--- a/asset/snippets/package.json
+++ b/asset/snippets/package.json
@@ -23,11 +23,11 @@
     "@google-cloud/storage": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "gts": "^5.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "uuid": "^9.0.0"
   }
 }
diff --git a/auth/package.json b/auth/package.json
index b073143919..66a94408df 100644
--- a/auth/package.json
+++ b/auth/package.json
@@ -25,7 +25,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   }
diff --git a/automl/package.json b/automl/package.json
index 5016d57849..dcd33d6ffd 100644
--- a/automl/package.json
+++ b/automl/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/batch/package.json b/batch/package.json
index bdce56777b..93f4724cfc 100644
--- a/batch/package.json
+++ b/batch/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/batch": "^1.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "nanoid": "^3.3.0",
     "@google-cloud/storage": "^7.0.0",
diff --git a/cloud-language/package.json b/cloud-language/package.json
index 20d1cb2089..2e46ca5290 100644
--- a/cloud-language/package.json
+++ b/cloud-language/package.json
@@ -21,7 +21,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/cloud-sql/mysql/mysql/package.json b/cloud-sql/mysql/mysql/package.json
index f00336729b..4decc4acd2 100644
--- a/cloud-sql/mysql/mysql/package.json
+++ b/cloud-sql/mysql/mysql/package.json
@@ -27,7 +27,7 @@
     "winston": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/cloud-sql/mysql/mysql2/package.json b/cloud-sql/mysql/mysql2/package.json
index c0986f3200..6f0c68ce89 100644
--- a/cloud-sql/mysql/mysql2/package.json
+++ b/cloud-sql/mysql/mysql2/package.json
@@ -29,7 +29,7 @@
     "winston": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/cloud-sql/postgres/knex/package.json b/cloud-sql/postgres/knex/package.json
index 3225ab39c8..b5f42befa0 100644
--- a/cloud-sql/postgres/knex/package.json
+++ b/cloud-sql/postgres/knex/package.json
@@ -29,7 +29,7 @@
     "winston": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/cloud-sql/sqlserver/mssql/package.json b/cloud-sql/sqlserver/mssql/package.json
index 6797c372c6..ff70b4b834 100644
--- a/cloud-sql/sqlserver/mssql/package.json
+++ b/cloud-sql/sqlserver/mssql/package.json
@@ -26,7 +26,7 @@
     "winston": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/cloud-sql/sqlserver/tedious/package.json b/cloud-sql/sqlserver/tedious/package.json
index 610ee2a518..a5a442c83f 100644
--- a/cloud-sql/sqlserver/tedious/package.json
+++ b/cloud-sql/sqlserver/tedious/package.json
@@ -27,7 +27,7 @@
     "winston": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/cloud-tasks/snippets/package.json b/cloud-tasks/snippets/package.json
index 4830971b98..04a5122bc7 100644
--- a/cloud-tasks/snippets/package.json
+++ b/cloud-tasks/snippets/package.json
@@ -19,7 +19,7 @@
     "express": "^4.16.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/cloud-tasks/tutorial-gcf/app/package.json b/cloud-tasks/tutorial-gcf/app/package.json
index 04a7e0cf51..c45d1f3dd9 100644
--- a/cloud-tasks/tutorial-gcf/app/package.json
+++ b/cloud-tasks/tutorial-gcf/app/package.json
@@ -15,7 +15,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/cloud-tasks/tutorial-gcf/function/package.json b/cloud-tasks/tutorial-gcf/function/package.json
index 313ee38078..1b88dee887 100644
--- a/cloud-tasks/tutorial-gcf/function/package.json
+++ b/cloud-tasks/tutorial-gcf/function/package.json
@@ -14,9 +14,9 @@
     "@sendgrid/mail": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/cloudbuild/package.json b/cloudbuild/package.json
index bdfce23df8..47b2eb6eb0 100644
--- a/cloudbuild/package.json
+++ b/cloudbuild/package.json
@@ -18,7 +18,7 @@
     "@google-cloud/cloudbuild": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/composer/functions/composer-storage-trigger/package.json b/composer/functions/composer-storage-trigger/package.json
index 49db5ebf41..501e91e045 100644
--- a/composer/functions/composer-storage-trigger/package.json
+++ b/composer/functions/composer-storage-trigger/package.json
@@ -18,7 +18,7 @@
   "devDependencies": {
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "scripts": {
     "test": "mocha test/*.test.js --timeout=20000"
diff --git a/composer/package.json b/composer/package.json
index 4dcb594a26..d97f73dbb2 100644
--- a/composer/package.json
+++ b/composer/package.json
@@ -16,7 +16,7 @@
     "test": "c8 mocha -p -j 2 --exit test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/compute/package.json b/compute/package.json
index 92c249244a..c97075fae0 100644
--- a/compute/package.json
+++ b/compute/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.0.1",
diff --git a/contact-center-insights/package.json b/contact-center-insights/package.json
index cf435d7c85..021122275b 100644
--- a/contact-center-insights/package.json
+++ b/contact-center-insights/package.json
@@ -18,7 +18,7 @@
     "@google-cloud/pubsub": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/container-analysis/snippets/package.json b/container-analysis/snippets/package.json
index 7adb065f4d..b05b445bc6 100644
--- a/container-analysis/snippets/package.json
+++ b/container-analysis/snippets/package.json
@@ -19,7 +19,7 @@
     "p-retry": "^6.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/container/package.json b/container/package.json
index 8e12f3fdb0..9fea9f6b9a 100644
--- a/container/package.json
+++ b/container/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/container": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/datacatalog/cloud-client/package.json b/datacatalog/cloud-client/package.json
index fb24750695..3d2f90751e 100644
--- a/datacatalog/cloud-client/package.json
+++ b/datacatalog/cloud-client/package.json
@@ -13,7 +13,7 @@
     "test": "c8 mocha -p -j 2 system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/datacatalog/quickstart/package.json b/datacatalog/quickstart/package.json
index b31ea6f640..5586b82428 100644
--- a/datacatalog/quickstart/package.json
+++ b/datacatalog/quickstart/package.json
@@ -13,7 +13,7 @@
     "test": "c8 mocha -p -j 2 system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/datacatalog/snippets/package.json b/datacatalog/snippets/package.json
index 100600a2a1..c28079b06f 100644
--- a/datacatalog/snippets/package.json
+++ b/datacatalog/snippets/package.json
@@ -19,7 +19,7 @@
     "@google-cloud/datacatalog": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "execa": "^8.0.0",
     "mocha": "^10.0.0",
diff --git a/datalabeling/package.json b/datalabeling/package.json
index 9b0698a5a7..123aec95a4 100644
--- a/datalabeling/package.json
+++ b/datalabeling/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/datalabeling": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/dataproc/package.json b/dataproc/package.json
index 4952718d55..de2250792b 100644
--- a/dataproc/package.json
+++ b/dataproc/package.json
@@ -18,7 +18,7 @@
     "@google-cloud/storage": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/datastore/functions/package.json b/datastore/functions/package.json
index e0025807c9..efd2f72c83 100644
--- a/datastore/functions/package.json
+++ b/datastore/functions/package.json
@@ -18,12 +18,12 @@
   },
   "devDependencies": {
     "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "child-process-promise": "^2.2.1",
     "mocha": "^10.0.0",
     "node-fetch": "^2.6.1",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "uuid": "^9.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/dialogflow-cx/package.json b/dialogflow-cx/package.json
index da7dec9a65..b5b5008247 100644
--- a/dialogflow-cx/package.json
+++ b/dialogflow-cx/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/functions-framework": "^3.2.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/dialogflow/package.json b/dialogflow/package.json
index 372b15eb5a..3825cfdaf1 100644
--- a/dialogflow/package.json
+++ b/dialogflow/package.json
@@ -21,7 +21,7 @@
     "@google-cloud/functions-framework": "^3.2.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/dlp/package.json b/dlp/package.json
index 381e3d6946..573623790d 100644
--- a/dlp/package.json
+++ b/dlp/package.json
@@ -21,13 +21,13 @@
     "mime": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "pixelmatch": "^5.0.0",
     "pngjs": "^7.0.0",
     "proxyquire": "^2.1.3",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "uuid": "^9.0.0"
   }
 }
diff --git a/document-ai/package.json b/document-ai/package.json
index ac17f1f7bc..d80d980a07 100644
--- a/document-ai/package.json
+++ b/document-ai/package.json
@@ -18,7 +18,7 @@
     "p-queue": "^6.6.2"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/document-warehouse/package.json b/document-warehouse/package.json
index ee29c3c089..20afd9f38c 100644
--- a/document-warehouse/package.json
+++ b/document-warehouse/package.json
@@ -13,6 +13,6 @@
     },
     "devDependencies": {
         "assert": "^2.0.0",
-        "c8": "^8.0.1"
+        "c8": "^9.0.0"
     }
 }
diff --git a/endpoints/getting-started/package.json b/endpoints/getting-started/package.json
index 10d79813fb..a86d54ce46 100644
--- a/endpoints/getting-started/package.json
+++ b/endpoints/getting-started/package.json
@@ -20,10 +20,10 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/error-reporting/package.json b/error-reporting/package.json
index 7dff5c22f8..db18440001 100644
--- a/error-reporting/package.json
+++ b/error-reporting/package.json
@@ -19,7 +19,7 @@
     "express": "^4.16.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0"
diff --git a/eventarc/audit-storage/package.json b/eventarc/audit-storage/package.json
index d3d902cb0c..57f42586ab 100644
--- a/eventarc/audit-storage/package.json
+++ b/eventarc/audit-storage/package.json
@@ -24,10 +24,10 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/eventarc/generic/package.json b/eventarc/generic/package.json
index 0ab7f1c547..5a15d51aef 100644
--- a/eventarc/generic/package.json
+++ b/eventarc/generic/package.json
@@ -21,10 +21,10 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "uuid": "^9.0.0"
   }
diff --git a/eventarc/pubsub/package.json b/eventarc/pubsub/package.json
index 648ffd1cb4..3f4ee6a04d 100644
--- a/eventarc/pubsub/package.json
+++ b/eventarc/pubsub/package.json
@@ -25,7 +25,7 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
diff --git a/functions/billing/package.json b/functions/billing/package.json
index c20108aff9..6afea71ab3 100644
--- a/functions/billing/package.json
+++ b/functions/billing/package.json
@@ -17,17 +17,17 @@
     "@google-cloud/billing": "^4.0.0",
     "@google-cloud/compute": "^4.0.0",
     "google-auth-library": "^9.0.0",
-    "googleapis": "^126.0.0",
+    "googleapis": "^133.0.0",
     "slack": "^11.0.1"
   },
   "devDependencies": {
     "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
     "promise-retry": "^2.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "wait-port": "^1.0.4"
   }
 }
diff --git a/functions/concepts/package.json b/functions/concepts/package.json
index 640e5c1212..be5b33dac4 100644
--- a/functions/concepts/package.json
+++ b/functions/concepts/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/functions/env_vars/package.json b/functions/env_vars/package.json
index 19fb3875c9..52bfce1b62 100644
--- a/functions/env_vars/package.json
+++ b/functions/env_vars/package.json
@@ -15,8 +15,8 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^8.0.1",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/firebase/helloAnalytics/package.json b/functions/firebase/helloAnalytics/package.json
index 11e870e68e..86899c2894 100644
--- a/functions/firebase/helloAnalytics/package.json
+++ b/functions/firebase/helloAnalytics/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/firebase/helloAuth/package.json b/functions/firebase/helloAuth/package.json
index bd468c94e5..b2fff3b78f 100644
--- a/functions/firebase/helloAuth/package.json
+++ b/functions/firebase/helloAuth/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/firebase/helloFirestore/package.json b/functions/firebase/helloFirestore/package.json
index 6ab292de2e..c3e73d944d 100644
--- a/functions/firebase/helloFirestore/package.json
+++ b/functions/firebase/helloFirestore/package.json
@@ -15,10 +15,10 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/firestore": "^7.0.0"
diff --git a/functions/firebase/helloRTDB/package.json b/functions/firebase/helloRTDB/package.json
index fe7c0f2da8..c6e0f3b5c1 100644
--- a/functions/firebase/helloRTDB/package.json
+++ b/functions/firebase/helloRTDB/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/firebase/helloRemoteConfig/package.json b/functions/firebase/helloRemoteConfig/package.json
index 37869adf92..5dd28776df 100644
--- a/functions/firebase/helloRemoteConfig/package.json
+++ b/functions/firebase/helloRemoteConfig/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/firebase/makeUpperCase/package.json b/functions/firebase/makeUpperCase/package.json
index 0ebd3236b7..53e36e3469 100644
--- a/functions/firebase/makeUpperCase/package.json
+++ b/functions/firebase/makeUpperCase/package.json
@@ -15,10 +15,10 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/firestore": "^7.0.0"
diff --git a/functions/firebase/package.json b/functions/firebase/package.json
index f54056f73b..2165122c3a 100644
--- a/functions/firebase/package.json
+++ b/functions/firebase/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/functions/helloworld/helloError/package.json b/functions/helloworld/helloError/package.json
index b318d623c7..1626cc05af 100644
--- a/functions/helloworld/helloError/package.json
+++ b/functions/helloworld/helloError/package.json
@@ -18,8 +18,8 @@
     "@google-cloud/functions-framework": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/helloworld/helloGCS/package.json b/functions/helloworld/helloGCS/package.json
index f1b73cc63a..cd3783ce97 100644
--- a/functions/helloworld/helloGCS/package.json
+++ b/functions/helloworld/helloGCS/package.json
@@ -22,12 +22,12 @@
   },
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
     "moment": "^2.24.0",
     "promise-retry": "^2.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "uuid": "^9.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/functions/helloworld/helloPubSub/package.json b/functions/helloworld/helloPubSub/package.json
index a70dd04de9..5d83505f5b 100644
--- a/functions/helloworld/helloPubSub/package.json
+++ b/functions/helloworld/helloPubSub/package.json
@@ -22,12 +22,12 @@
   },
   "devDependencies": {
     "@google-cloud/pubsub": "^4.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
     "moment": "^2.29.4",
     "promise-retry": "^2.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "uuid": "^9.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/functions/helloworld/helloworldGet/package.json b/functions/helloworld/helloworldGet/package.json
index 5795e9d114..6e82d0b9fc 100644
--- a/functions/helloworld/helloworldGet/package.json
+++ b/functions/helloworld/helloworldGet/package.json
@@ -18,7 +18,7 @@
     "@google-cloud/functions-framework": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
     "wait-port": "^1.0.4"
diff --git a/functions/helloworld/helloworldHttp/package.json b/functions/helloworld/helloworldHttp/package.json
index 593df631b8..21c314a4c0 100644
--- a/functions/helloworld/helloworldHttp/package.json
+++ b/functions/helloworld/helloworldHttp/package.json
@@ -22,10 +22,10 @@
     "escape-html": "^1.0.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/functions/helloworld/package.json b/functions/helloworld/package.json
index 891a44c757..8b9ce409e4 100644
--- a/functions/helloworld/package.json
+++ b/functions/helloworld/package.json
@@ -23,7 +23,7 @@
     "mocha": "^10.0.0",
     "moment": "^2.24.0",
     "promise-retry": "^2.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "uuid": "^9.0.0",
     "wait-port": "^1.0.4"
diff --git a/functions/http/corsEnabledFunction/package.json b/functions/http/corsEnabledFunction/package.json
index 95e715be8c..b6ff4a734c 100644
--- a/functions/http/corsEnabledFunction/package.json
+++ b/functions/http/corsEnabledFunction/package.json
@@ -15,10 +15,10 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.2"
diff --git a/functions/http/corsEnabledFunctionAuth/package.json b/functions/http/corsEnabledFunctionAuth/package.json
index 663e2048d1..02f1ee23c7 100644
--- a/functions/http/corsEnabledFunctionAuth/package.json
+++ b/functions/http/corsEnabledFunctionAuth/package.json
@@ -15,10 +15,10 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.2"
diff --git a/functions/http/httpContent/package.json b/functions/http/httpContent/package.json
index 7e8a2e744d..236963b9c3 100644
--- a/functions/http/httpContent/package.json
+++ b/functions/http/httpContent/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.2",
diff --git a/functions/http/httpMethods/package.json b/functions/http/httpMethods/package.json
index 9f99172cdd..f2f546d479 100644
--- a/functions/http/httpMethods/package.json
+++ b/functions/http/httpMethods/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.2"
diff --git a/functions/http/package.json b/functions/http/package.json
index d474344aa9..7d583d2789 100644
--- a/functions/http/package.json
+++ b/functions/http/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/storage": "^7.0.0",
diff --git a/functions/http/parseXML/package.json b/functions/http/parseXML/package.json
index c2f3368625..9e3da189a7 100644
--- a/functions/http/parseXML/package.json
+++ b/functions/http/parseXML/package.json
@@ -19,7 +19,7 @@
     "xml2js": "^0.6.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.2.0",
     "wait-port": "^1.0.4"
diff --git a/functions/imagemagick/package.json b/functions/imagemagick/package.json
index 265285c63b..b97634c905 100644
--- a/functions/imagemagick/package.json
+++ b/functions/imagemagick/package.json
@@ -21,11 +21,11 @@
   },
   "devDependencies": {
     "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.2.3",
     "wait-port": "^1.0.4"
   }
diff --git a/functions/log/helloWorld/package.json b/functions/log/helloWorld/package.json
index f4290eb36b..cffa046e59 100644
--- a/functions/log/helloWorld/package.json
+++ b/functions/log/helloWorld/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.3"
diff --git a/functions/log/package.json b/functions/log/package.json
index 71b6388d66..ac5e4e8fd0 100644
--- a/functions/log/package.json
+++ b/functions/log/package.json
@@ -14,6 +14,6 @@
   "devDependencies": {
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/log/processEntry/package.json b/functions/log/processEntry/package.json
index b803e55d19..44e2f682f5 100644
--- a/functions/log/processEntry/package.json
+++ b/functions/log/processEntry/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/memorystore/redis/package.json b/functions/memorystore/redis/package.json
index a83267f2bd..ad5fd00902 100644
--- a/functions/memorystore/redis/package.json
+++ b/functions/memorystore/redis/package.json
@@ -20,8 +20,8 @@
     "redis": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/ocr/app/package.json b/functions/ocr/app/package.json
index a495d220f0..558175146a 100644
--- a/functions/ocr/app/package.json
+++ b/functions/ocr/app/package.json
@@ -21,8 +21,8 @@
     "@google-cloud/vision": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/pubsub/package.json b/functions/pubsub/package.json
index ce7bcc4f45..5e5c84b7fa 100644
--- a/functions/pubsub/package.json
+++ b/functions/pubsub/package.json
@@ -18,7 +18,7 @@
     "@google-cloud/functions-framework": "^3.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "wait-port": "^1.0.4"
   }
 }
diff --git a/functions/pubsub/publish/package.json b/functions/pubsub/publish/package.json
index 4a893189c3..b70c7d5892 100644
--- a/functions/pubsub/publish/package.json
+++ b/functions/pubsub/publish/package.json
@@ -19,10 +19,10 @@
   },
   "devDependencies": {
     "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "wait-port": "^1.0.4"
   }
 }
diff --git a/functions/pubsub/subscribe/package.json b/functions/pubsub/subscribe/package.json
index 2a69470130..2381b677a9 100644
--- a/functions/pubsub/subscribe/package.json
+++ b/functions/pubsub/subscribe/package.json
@@ -15,8 +15,8 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000 --exit"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/scheduleinstance/package.json b/functions/scheduleinstance/package.json
index 0fc7b8c996..bde0b8a163 100644
--- a/functions/scheduleinstance/package.json
+++ b/functions/scheduleinstance/package.json
@@ -15,10 +15,10 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/compute": "^4.0.0"
diff --git a/functions/security/package.json b/functions/security/package.json
index b068ee915b..c5eb0dc41c 100644
--- a/functions/security/package.json
+++ b/functions/security/package.json
@@ -18,9 +18,9 @@
     "node-fetch": "^2.6.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.3",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/slack/package.json b/functions/slack/package.json
index 0e5c4db3c7..818ff1bf60 100644
--- a/functions/slack/package.json
+++ b/functions/slack/package.json
@@ -20,10 +20,10 @@
     "@slack/events-api": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.2.3"
   }
 }
diff --git a/functions/spanner/package.json b/functions/spanner/package.json
index 8bc7173b33..0fd9f5ad0b 100644
--- a/functions/spanner/package.json
+++ b/functions/spanner/package.json
@@ -19,9 +19,9 @@
     "@google-cloud/spanner": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/speech-to-speech/functions/package.json b/functions/speech-to-speech/functions/package.json
index 2fd246f567..f596f23a65 100644
--- a/functions/speech-to-speech/functions/package.json
+++ b/functions/speech-to-speech/functions/package.json
@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@google-cloud/functions-framework": "^3.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "child-process-promise": "^2.2.1",
     "gaxios": "^6.0.0",
     "mocha": "^10.0.0",
diff --git a/functions/tips/gcpApiCall/package.json b/functions/tips/gcpApiCall/package.json
index 35d5d45d51..ce2649165a 100644
--- a/functions/tips/gcpApiCall/package.json
+++ b/functions/tips/gcpApiCall/package.json
@@ -19,9 +19,9 @@
     "@google-cloud/pubsub": "^4.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.3",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/tips/package.json b/functions/tips/package.json
index 6ce83ede89..db17e569dc 100644
--- a/functions/tips/package.json
+++ b/functions/tips/package.json
@@ -20,6 +20,6 @@
   },
   "devDependencies": {
     "node-fetch": "^2.6.1",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/tips/retry/package.json b/functions/tips/retry/package.json
index 9b7c9df3b7..f8c21fe15f 100644
--- a/functions/tips/retry/package.json
+++ b/functions/tips/retry/package.json
@@ -15,8 +15,8 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000 --exit"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/tips/scopeDemo/package.json b/functions/tips/scopeDemo/package.json
index 905b998426..1e1f359529 100644
--- a/functions/tips/scopeDemo/package.json
+++ b/functions/tips/scopeDemo/package.json
@@ -18,8 +18,8 @@
     "@google-cloud/functions-framework": "^3.1.2"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/v2/autoLabelInstance/package.json b/functions/v2/autoLabelInstance/package.json
index 38875c86d3..f6aab9fee0 100644
--- a/functions/v2/autoLabelInstance/package.json
+++ b/functions/v2/autoLabelInstance/package.json
@@ -20,10 +20,10 @@
     "@google-cloud/functions-framework": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "p-retry": "^6.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "uuid": "^9.0.0"
   }
diff --git a/functions/v2/cloudEventLogging/package.json b/functions/v2/cloudEventLogging/package.json
index ac11b21624..0b297c095a 100644
--- a/functions/v2/cloudEventLogging/package.json
+++ b/functions/v2/cloudEventLogging/package.json
@@ -16,9 +16,9 @@
     "@google-cloud/logging": "^11.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "cloudevents": "^8.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/v2/firebase/firestore/helloFirestore/package.json b/functions/v2/firebase/firestore/helloFirestore/package.json
index cac37108a9..21534e0e8a 100644
--- a/functions/v2/firebase/firestore/helloFirestore/package.json
+++ b/functions/v2/firebase/firestore/helloFirestore/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.3",
diff --git a/functions/v2/firebase/firestore/makeUpperCase/package.json b/functions/v2/firebase/firestore/makeUpperCase/package.json
index e6b2cc65c9..350e548c6f 100644
--- a/functions/v2/firebase/firestore/makeUpperCase/package.json
+++ b/functions/v2/firebase/firestore/makeUpperCase/package.json
@@ -15,10 +15,10 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "rewire": "^7.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/firestore": "^7.0.0",
diff --git a/functions/v2/firebase/remote-config/helloRemoteConfig/package.json b/functions/v2/firebase/remote-config/helloRemoteConfig/package.json
index f0f426be52..a091454db9 100644
--- a/functions/v2/firebase/remote-config/helloRemoteConfig/package.json
+++ b/functions/v2/firebase/remote-config/helloRemoteConfig/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.3"
diff --git a/functions/v2/firebase/rtdb/helloRTDB/package.json b/functions/v2/firebase/rtdb/helloRTDB/package.json
index 6003c1159b..6cf2f7d2b4 100644
--- a/functions/v2/firebase/rtdb/helloRTDB/package.json
+++ b/functions/v2/firebase/rtdb/helloRTDB/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 -T 30s test/*.test.js"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.3"
diff --git a/functions/v2/helloAuditLog/package.json b/functions/v2/helloAuditLog/package.json
index ac73117243..fd7782b3d3 100644
--- a/functions/v2/helloAuditLog/package.json
+++ b/functions/v2/helloAuditLog/package.json
@@ -18,9 +18,9 @@
     "@google-cloud/functions-framework": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/functions/v2/helloBigQuery/package.json b/functions/v2/helloBigQuery/package.json
index 415f8d4b80..1f0f7df473 100644
--- a/functions/v2/helloBigQuery/package.json
+++ b/functions/v2/helloBigQuery/package.json
@@ -19,7 +19,7 @@
     "@google-cloud/functions-framework": "^3.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/functions/v2/helloGCS/package.json b/functions/v2/helloGCS/package.json
index 0dc0eabb16..d548e3c719 100644
--- a/functions/v2/helloGCS/package.json
+++ b/functions/v2/helloGCS/package.json
@@ -18,9 +18,9 @@
     "@google-cloud/functions-framework": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/functions/v2/helloPubSub/package.json b/functions/v2/helloPubSub/package.json
index 179c1e21d7..099af5af49 100644
--- a/functions/v2/helloPubSub/package.json
+++ b/functions/v2/helloPubSub/package.json
@@ -18,9 +18,9 @@
     "@google-cloud/functions-framework": "^3.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "uuid": "^9.0.0"
   }
diff --git a/functions/v2/httpLogging/package.json b/functions/v2/httpLogging/package.json
index 2cc32e73cc..5ab85bfcac 100644
--- a/functions/v2/httpLogging/package.json
+++ b/functions/v2/httpLogging/package.json
@@ -17,8 +17,8 @@
     "@google-cloud/logging": "^11.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
\ No newline at end of file
diff --git a/functions/v2/imagemagick/package.json b/functions/v2/imagemagick/package.json
index b176abec63..f4677eb16b 100644
--- a/functions/v2/imagemagick/package.json
+++ b/functions/v2/imagemagick/package.json
@@ -21,10 +21,10 @@
     "gm": "^1.23.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.2.3"
   }
 }
diff --git a/functions/v2/log/processEntry/package.json b/functions/v2/log/processEntry/package.json
index 0dcee7f3fc..98e41e5e62 100644
--- a/functions/v2/log/processEntry/package.json
+++ b/functions/v2/log/processEntry/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=20000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   },
   "dependencies": {
     "@google-cloud/functions-framework": "^3.1.3"
diff --git a/functions/v2/ocr/app/package.json b/functions/v2/ocr/app/package.json
index bb0a459973..3fa806f6ff 100644
--- a/functions/v2/ocr/app/package.json
+++ b/functions/v2/ocr/app/package.json
@@ -23,9 +23,9 @@
     "cloudevents": "^8.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/functions/v2/responseStreaming/package.json b/functions/v2/responseStreaming/package.json
index f05f8f829d..d3824c2431 100644
--- a/functions/v2/responseStreaming/package.json
+++ b/functions/v2/responseStreaming/package.json
@@ -19,9 +19,9 @@
     "@google-cloud/functions-framework": "^3.1.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/functions/v2/tips/avoidInfiniteRetries/package.json b/functions/v2/tips/avoidInfiniteRetries/package.json
index 06687e6d98..aace4ec0cd 100644
--- a/functions/v2/tips/avoidInfiniteRetries/package.json
+++ b/functions/v2/tips/avoidInfiniteRetries/package.json
@@ -18,8 +18,8 @@
     "@google-cloud/functions-framework": "^3.1.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/v2/tips/retry/package.json b/functions/v2/tips/retry/package.json
index 9fe7eb5641..ecd1e6d5ad 100644
--- a/functions/v2/tips/retry/package.json
+++ b/functions/v2/tips/retry/package.json
@@ -15,9 +15,9 @@
     "test": "c8 mocha -p -j 2 test/*.test.js --timeout=60000 --exit"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.3.3"
   },
   "dependencies": {
diff --git a/functions/v2/typed/googlechatbot/package.json b/functions/v2/typed/googlechatbot/package.json
index 16bfb2a865..a84dbb5fa2 100644
--- a/functions/v2/typed/googlechatbot/package.json
+++ b/functions/v2/typed/googlechatbot/package.json
@@ -12,8 +12,8 @@
     "@google-cloud/functions-framework": "^3.3.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/functions/v2/typed/greeting/package.json b/functions/v2/typed/greeting/package.json
index 2613b654c3..2bab593ec8 100644
--- a/functions/v2/typed/greeting/package.json
+++ b/functions/v2/typed/greeting/package.json
@@ -12,8 +12,8 @@
     "@google-cloud/functions-framework": "^3.3.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.2.0",
-    "sinon": "^16.0.0"
+    "sinon": "^17.0.0"
   }
 }
diff --git a/game-servers/snippets/package.json b/game-servers/snippets/package.json
index 7a29802842..9981c0b703 100644
--- a/game-servers/snippets/package.json
+++ b/game-servers/snippets/package.json
@@ -16,7 +16,7 @@
     "@google-cloud/game-servers": "^3.1.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/generative-ai/snippets/package.json b/generative-ai/snippets/package.json
index 59bb0948c1..e7aabee808 100644
--- a/generative-ai/snippets/package.json
+++ b/generative-ai/snippets/package.json
@@ -19,10 +19,10 @@
     "supertest": "^6.3.3"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "uuid": "^9.0.0"
   }
 }
diff --git a/healthcare/consent/package.json b/healthcare/consent/package.json
index c73a22c3c2..c9b0e032d3 100644
--- a/healthcare/consent/package.json
+++ b/healthcare/consent/package.json
@@ -12,7 +12,7 @@
     "test": "c8 mocha -p -j 2 system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/healthcare/datasets/package.json b/healthcare/datasets/package.json
index c73a22c3c2..c9b0e032d3 100644
--- a/healthcare/datasets/package.json
+++ b/healthcare/datasets/package.json
@@ -12,7 +12,7 @@
     "test": "c8 mocha -p -j 2 system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/healthcare/dicom/package.json b/healthcare/dicom/package.json
index 1e94ab51e6..e92355454e 100644
--- a/healthcare/dicom/package.json
+++ b/healthcare/dicom/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@google-cloud/pubsub": "^4.0.0",
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/healthcare/fhir/package.json b/healthcare/fhir/package.json
index 49fd676295..bccd4f47d1 100644
--- a/healthcare/fhir/package.json
+++ b/healthcare/fhir/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "@google-cloud/pubsub": "^4.0.0",
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/healthcare/hl7v2/package.json b/healthcare/hl7v2/package.json
index 2671163895..84b0174b39 100644
--- a/healthcare/hl7v2/package.json
+++ b/healthcare/hl7v2/package.json
@@ -13,7 +13,7 @@
   },
   "devDependencies": {
     "@google-cloud/pubsub": "^4.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
   },
diff --git a/iam/deny/package.json b/iam/deny/package.json
index 38d71e23a3..6f14b44bdc 100644
--- a/iam/deny/package.json
+++ b/iam/deny/package.json
@@ -17,7 +17,7 @@
         "@google-cloud/iam": "^1.0.0"
     },
     "devDependencies": {
-        "c8": "^8.0.0",
+        "c8": "^9.0.0",
         "chai": "^4.2.0",
         "mocha": "^10.0.0",
         "uuid": "^9.0.0"
diff --git a/kms/package.json b/kms/package.json
index cbc0134d4b..4d8ee2f5fe 100644
--- a/kms/package.json
+++ b/kms/package.json
@@ -18,7 +18,7 @@
     "fast-crc32c": "^2.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/media/livestream/package.json b/media/livestream/package.json
index 512b3b8cdb..462ffa6141 100644
--- a/media/livestream/package.json
+++ b/media/livestream/package.json
@@ -16,7 +16,7 @@
     "@google-cloud/livestream": "^1.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.1.0",
     "uuid": "^9.0.0"
diff --git a/media/transcoder/package.json b/media/transcoder/package.json
index 95207763b6..ea1a229b2f 100644
--- a/media/transcoder/package.json
+++ b/media/transcoder/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.1.0",
     "uuid": "^9.0.0"
   }
diff --git a/media/video-stitcher/package.json b/media/video-stitcher/package.json
index 54a240b6da..b9623b969a 100644
--- a/media/video-stitcher/package.json
+++ b/media/video-stitcher/package.json
@@ -16,7 +16,7 @@
     "@google-cloud/video-stitcher": "^2.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.1.0",
     "uuid": "^9.0.0"
diff --git a/mediatranslation/package.json b/mediatranslation/package.json
index 0da088c25d..c757bebeed 100644
--- a/mediatranslation/package.json
+++ b/mediatranslation/package.json
@@ -17,7 +17,7 @@
     "node-record-lpcm16": "1.0.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/monitoring/opencensus/package.json b/monitoring/opencensus/package.json
index fbc8542d98..7fed9f7f5d 100644
--- a/monitoring/opencensus/package.json
+++ b/monitoring/opencensus/package.json
@@ -16,7 +16,7 @@
     "node-stopwatch": "^0.0.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.1.3"
   }
diff --git a/monitoring/prometheus/package.json b/monitoring/prometheus/package.json
index 621ab1d87d..9d7f383ae8 100644
--- a/monitoring/prometheus/package.json
+++ b/monitoring/prometheus/package.json
@@ -11,7 +11,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "express": "^4.17.1",
-    "prom-client": "^14.0.0",
+    "prom-client": "^15.0.0",
     "sleep": "^6.3.0"
   },
   "devDependencies": {
diff --git a/monitoring/snippets/package.json b/monitoring/snippets/package.json
index 3218125e80..0ab9d65fec 100644
--- a/monitoring/snippets/package.json
+++ b/monitoring/snippets/package.json
@@ -15,7 +15,7 @@
   },
   "dependencies": {
     "@google-cloud/monitoring": "^4.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "yargs": "^17.0.0"
   },
   "devDependencies": {
diff --git a/opencensus/package.json b/opencensus/package.json
index 754797598d..396733eac3 100644
--- a/opencensus/package.json
+++ b/opencensus/package.json
@@ -21,7 +21,7 @@
     "@opencensus/exporter-stackdriver": "^0.1.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/package.json b/package.json
index 650ce33f60..7041d47058 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^6.0.0",
     "@typescript-eslint/parser": "^6.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-plugin-node": "^11.1.0",
     "eslint-plugin-prettier": "^5.0.0-alpha.1",
@@ -31,7 +31,7 @@
     "typescript": "^5.0.4"
   },
   "dependencies": {
-    "commander": "^11.0.0",
+    "commander": "^12.0.0",
     "eslint": "^8.53.0"
   }
 }
diff --git a/recaptcha_enterprise/demosite/app/package.json b/recaptcha_enterprise/demosite/app/package.json
index 0dbbfa8866..d1f4c0b67f 100644
--- a/recaptcha_enterprise/demosite/app/package.json
+++ b/recaptcha_enterprise/demosite/app/package.json
@@ -15,7 +15,7 @@
         "url": "https://github.com/googleapis/nodejs-recaptcha-enterprise.git"
     },
     "dependencies": {
-        "@google-cloud/recaptcha-enterprise": "^4.0.0",
+        "@google-cloud/recaptcha-enterprise": "^5.0.0",
         "body-parser": "^1.20.0",
         "express": "^4.18.1",
         "mustache-express": "^1.3.2",
diff --git a/recaptcha_enterprise/snippets/package.json b/recaptcha_enterprise/snippets/package.json
index e220b647bb..122c573d19 100644
--- a/recaptcha_enterprise/snippets/package.json
+++ b/recaptcha_enterprise/snippets/package.json
@@ -18,7 +18,7 @@
     "test": "c8 mocha -p -j 2 --loader=ts-node/esm --extension ts --timeout 10000 --exit"
   },
   "dependencies": {
-    "@google-cloud/recaptcha-enterprise": "^4.0.0",
+    "@google-cloud/recaptcha-enterprise": "^5.0.0",
     "body-parser": "^1.20.1",
     "express": "^4.18.2",
     "recaptcha-password-check-helpers": "^1.0.1"
@@ -27,7 +27,7 @@
     "@types/express": "^4.17.17",
     "@types/node": "^18.15.11",
     "@types/yargs": "^17.0.19",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "eslint": "^8.34.0",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
diff --git a/retail/package.json b/retail/package.json
index 9be839bf8c..4e695757a2 100644
--- a/retail/package.json
+++ b/retail/package.json
@@ -21,7 +21,7 @@
     "@google-cloud/storage": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.2.0"
   }
diff --git a/run/filesystem/package.json b/run/filesystem/package.json
index 48417bae97..6c884d7c17 100644
--- a/run/filesystem/package.json
+++ b/run/filesystem/package.json
@@ -18,7 +18,7 @@
     "express-rate-limit": "^7.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.3.7",
     "chai-http": "^4.4.0",
     "google-auth-library": "^9.0.0",
diff --git a/run/hello-broken/package.json b/run/hello-broken/package.json
index 6046428d22..41abb6af16 100644
--- a/run/hello-broken/package.json
+++ b/run/hello-broken/package.json
@@ -18,7 +18,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.0.0",
     "mocha": "^10.0.0"
diff --git a/run/helloworld/package.json b/run/helloworld/package.json
index e13550241d..c96d42b9d1 100644
--- a/run/helloworld/package.json
+++ b/run/helloworld/package.json
@@ -19,7 +19,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.0.0",
     "mocha": "^10.0.0",
diff --git a/run/idp-sql/package.json b/run/idp-sql/package.json
index 949eed60a5..726189f168 100644
--- a/run/idp-sql/package.json
+++ b/run/idp-sql/package.json
@@ -28,11 +28,11 @@
     "winston": "3.10.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "got": "^11.7.0",
     "mocha": "^10.0.0",
     "short-uuid": "^4.1.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/run/image-processing/package.json b/run/image-processing/package.json
index 67aea23ca3..1bc7c8229c 100644
--- a/run/image-processing/package.json
+++ b/run/image-processing/package.json
@@ -25,7 +25,7 @@
     "gm": "^1.23.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
diff --git a/run/jobs/package.json b/run/jobs/package.json
index 578a774a84..945459fc06 100644
--- a/run/jobs/package.json
+++ b/run/jobs/package.json
@@ -15,7 +15,7 @@
   "license": "Apache-2.0",
   "devDependencies": {
     "@google-cloud/logging": "^11.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/run/logging-manual/package.json b/run/logging-manual/package.json
index 05b40dd30d..2b99d4693e 100644
--- a/run/logging-manual/package.json
+++ b/run/logging-manual/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "@google-cloud/logging": "^11.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "mocha": "^10.0.0"
   }
diff --git a/run/markdown-preview/editor/package.json b/run/markdown-preview/editor/package.json
index 09a8682d5d..9b67076dd3 100644
--- a/run/markdown-preview/editor/package.json
+++ b/run/markdown-preview/editor/package.json
@@ -25,7 +25,7 @@
     "handlebars": "^4.7.6"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/run/markdown-preview/renderer/package.json b/run/markdown-preview/renderer/package.json
index e8c67c56f9..e491a7b367 100644
--- a/run/markdown-preview/renderer/package.json
+++ b/run/markdown-preview/renderer/package.json
@@ -19,14 +19,14 @@
   },
   "dependencies": {
     "express": "^4.17.1",
-    "markdown-it": "^13.0.0"
+    "markdown-it": "^14.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0"
   }
 }
diff --git a/run/pubsub/package.json b/run/pubsub/package.json
index 10cfed622e..18a374c44f 100644
--- a/run/pubsub/package.json
+++ b/run/pubsub/package.json
@@ -22,11 +22,11 @@
     "express": "^4.16.4"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "supertest": "^6.0.0",
     "uuid": "^9.0.0"
   }
diff --git a/run/system-package/package.json b/run/system-package/package.json
index 0bb91d303c..4e82b98853 100644
--- a/run/system-package/package.json
+++ b/run/system-package/package.json
@@ -16,7 +16,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.5.0",
     "mocha": "^10.0.0",
diff --git a/run/websockets/package.json b/run/websockets/package.json
index 20ac8bcfda..8a9edce49c 100644
--- a/run/websockets/package.json
+++ b/run/websockets/package.json
@@ -21,7 +21,7 @@
   },
   "devDependencies": {
     "@types/express": "^4.17.17",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "google-auth-library": "^9.0.0",
     "got": "^11.8.3",
     "mocha": "^10.2.0",
diff --git a/scheduler/package.json b/scheduler/package.json
index 7fccd3140a..ec40355cab 100644
--- a/scheduler/package.json
+++ b/scheduler/package.json
@@ -23,7 +23,7 @@
     "@types/chai": "^4.3.4",
     "@types/mocha": "^10.0.1",
     "@types/node": "^18.13.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.3.7",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
diff --git a/secret-manager/package.json b/secret-manager/package.json
index 3c28ece01e..5fb40e210c 100644
--- a/secret-manager/package.json
+++ b/secret-manager/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/secret-manager": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/security-center/snippets/package.json b/security-center/snippets/package.json
index 6bbaf91ce7..885b501b95 100644
--- a/security-center/snippets/package.json
+++ b/security-center/snippets/package.json
@@ -17,7 +17,7 @@
     "@google-cloud/security-center": "^8.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/service-directory/snippets/package.json b/service-directory/snippets/package.json
index 6aab4a325a..8b0dfde824 100644
--- a/service-directory/snippets/package.json
+++ b/service-directory/snippets/package.json
@@ -16,7 +16,7 @@
     "@google-cloud/service-directory": "^5.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/speech/package.json b/speech/package.json
index ef7cc46c38..dff457adc5 100644
--- a/speech/package.json
+++ b/speech/package.json
@@ -20,11 +20,11 @@
     "chalk": "^5.0.0",
     "fs.promises": "^0.1.2",
     "node-record-lpcm16": "^1.0.1",
-    "sinon": "^16.0.0",
+    "sinon": "^17.0.0",
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/storagetransfer/package.json b/storagetransfer/package.json
index 62a9e686bd..a9c5a3021e 100644
--- a/storagetransfer/package.json
+++ b/storagetransfer/package.json
@@ -20,7 +20,7 @@
     "@google-cloud/storage": "^7.0.0",
     "@google-cloud/pubsub": "^4.0.5",
     "aws-sdk": "^2.1073.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/talent/package.json b/talent/package.json
index de8dae75ef..3f18609609 100644
--- a/talent/package.json
+++ b/talent/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "@types/mocha": "^10.0.0",
     "@types/node": "^16.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/texttospeech/package.json b/texttospeech/package.json
index 1e6489be73..c4e168e3e9 100644
--- a/texttospeech/package.json
+++ b/texttospeech/package.json
@@ -18,7 +18,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/translate/package.json b/translate/package.json
index 67db4e79d2..c5e1e854f0 100644
--- a/translate/package.json
+++ b/translate/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^9.0.0"
diff --git a/video-intelligence/package.json b/video-intelligence/package.json
index ed2f6cc78b..9aa2c1eb57 100644
--- a/video-intelligence/package.json
+++ b/video-intelligence/package.json
@@ -19,7 +19,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
diff --git a/vision/package.json b/vision/package.json
index 12691d4713..e012a265a0 100644
--- a/vision/package.json
+++ b/vision/package.json
@@ -23,7 +23,7 @@
     "@google-cloud/storage": "^7.0.0",
     "@types/uuid": "^9.0.1",
     "@types/yargs": "^17.0.22",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "chai": "^4.3.7",
     "mocha": "^10.2.0",
     "uuid": "^9.0.0"
diff --git a/workflows/invoke-private-endpoint/package.json b/workflows/invoke-private-endpoint/package.json
index 78f08ec6f5..4cda669629 100644
--- a/workflows/invoke-private-endpoint/package.json
+++ b/workflows/invoke-private-endpoint/package.json
@@ -20,7 +20,7 @@
     "express": "^4.17.1"
   },
   "devDependencies": {
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "mocha": "^10.0.0",
     "supertest": "^6.0.0"
   }
diff --git a/workflows/package.json b/workflows/package.json
index 7dc1e547a8..f8a6166577 100644
--- a/workflows/package.json
+++ b/workflows/package.json
@@ -18,7 +18,7 @@
   "devDependencies": {
     "@types/mocha": "^10.0.1",
     "@types/node": "^18.14.6",
-    "c8": "^8.0.0",
+    "c8": "^9.0.0",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
     "ts-node": "^10.9.1"