diff --git a/ai-platform/snippets/package.json b/ai-platform/snippets/package.json
index 084bbb6d25..29de7e2db8 100644
--- a/ai-platform/snippets/package.json
+++ b/ai-platform/snippets/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0",
     "sinon": "^18.0.0"
diff --git a/appengine/endpoints/package.json b/appengine/endpoints/package.json
index 8862e202ed..b08a8a208a 100644
--- a/appengine/endpoints/package.json
+++ b/appengine/endpoints/package.json
@@ -23,7 +23,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.0",
     "sinon": "^18.0.0",
diff --git a/appengine/memcached/package.json b/appengine/memcached/package.json
index d5df95e1b6..d1326c1b72 100644
--- a/appengine/memcached/package.json
+++ b/appengine/memcached/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/appengine/pubsub/package.json b/appengine/pubsub/package.json
index b475ad20e5..c31dc3f0ae 100644
--- a/appengine/pubsub/package.json
+++ b/appengine/pubsub/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "jsonwebtoken": "^9.0.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.1.3",
diff --git a/appengine/typescript/package.json b/appengine/typescript/package.json
index 122e3971c1..90eac30f31 100644
--- a/appengine/typescript/package.json
+++ b/appengine/typescript/package.json
@@ -29,7 +29,7 @@
     "@types/express": "^4.17.17",
     "@types/node": "^20.0.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
     "typescript": "^5.0.0",
diff --git a/asset/snippets/package.json b/asset/snippets/package.json
index 6b6a1802cb..bef72636b2 100644
--- a/asset/snippets/package.json
+++ b/asset/snippets/package.json
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "gts": "^5.0.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
diff --git a/automl/package.json b/automl/package.json
index 2a3f4fbaa1..70953bbe23 100644
--- a/automl/package.json
+++ b/automl/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/batch/package.json b/batch/package.json
index 46af098656..236e107693 100644
--- a/batch/package.json
+++ b/batch/package.json
@@ -23,6 +23,6 @@
     "@types/mocha": "^10.0.7",
     "c8": "^10.0.0",
     "mocha": "^10.0.0",
-    "nanoid": "^5.0.0"
+    "nanoid": "^3.3.7"
   }
 }
diff --git a/cloud-language/package.json b/cloud-language/package.json
index 7ac509a03e..cd031f21da 100644
--- a/cloud-language/package.json
+++ b/cloud-language/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/cloud-tasks/snippets/package.json b/cloud-tasks/snippets/package.json
index 1441e1657b..437225f885 100644
--- a/cloud-tasks/snippets/package.json
+++ b/cloud-tasks/snippets/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/cloud-tasks/tutorial-gcf/app/package.json b/cloud-tasks/tutorial-gcf/app/package.json
index 832bf42cf7..415c9a2288 100644
--- a/cloud-tasks/tutorial-gcf/app/package.json
+++ b/cloud-tasks/tutorial-gcf/app/package.json
@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/cloudbuild/package.json b/cloudbuild/package.json
index 62410be877..1bb1ec1db9 100644
--- a/cloudbuild/package.json
+++ b/cloudbuild/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/composer/package.json b/composer/package.json
index 7b958948b1..c6e026f30a 100644
--- a/composer/package.json
+++ b/composer/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/compute/package.json b/compute/package.json
index e091a9bab1..f28e987056 100644
--- a/compute/package.json
+++ b/compute/package.json
@@ -22,7 +22,7 @@
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "proxyquire": "^2.0.1",
     "uuid": "^10.0.0"
diff --git a/contact-center-insights/package.json b/contact-center-insights/package.json
index 286a16cc3d..af960ca325 100644
--- a/contact-center-insights/package.json
+++ b/contact-center-insights/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/container-analysis/snippets/package.json b/container-analysis/snippets/package.json
index b07a870896..386ba29076 100644
--- a/container-analysis/snippets/package.json
+++ b/container-analysis/snippets/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/container/package.json b/container/package.json
index 70bc5d3a3c..b480d7eb1a 100644
--- a/container/package.json
+++ b/container/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/datacatalog/snippets/package.json b/datacatalog/snippets/package.json
index c86cc14327..f14f538e6c 100644
--- a/datacatalog/snippets/package.json
+++ b/datacatalog/snippets/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "execa": "^9.0.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
diff --git a/datalabeling/package.json b/datalabeling/package.json
index 79741610d0..ea49ad4fea 100644
--- a/datalabeling/package.json
+++ b/datalabeling/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/dataproc/package.json b/dataproc/package.json
index 94e10ecc65..7cb837dabd 100644
--- a/dataproc/package.json
+++ b/dataproc/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/dialogflow-cx/package.json b/dialogflow-cx/package.json
index 56575e32a8..3abaa5af1f 100644
--- a/dialogflow-cx/package.json
+++ b/dialogflow-cx/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/dialogflow/package.json b/dialogflow/package.json
index 7a09c9131e..a339ff56ee 100644
--- a/dialogflow/package.json
+++ b/dialogflow/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/discoveryengine/package.json b/discoveryengine/package.json
index 5dec9cadfb..1d482d55fe 100644
--- a/discoveryengine/package.json
+++ b/discoveryengine/package.json
@@ -17,7 +17,7 @@
     "p-queue": "^8.0.0"
   },
   "devDependencies": {
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/dlp/package.json b/dlp/package.json
index 00637acce2..c50c4f7edd 100644
--- a/dlp/package.json
+++ b/dlp/package.json
@@ -21,10 +21,10 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mime": "^4.0.0",
     "mocha": "^10.0.0",
-    "pixelmatch": "^6.0.0",
+    "pixelmatch": "^5.3.0",
     "pngjs": "^7.0.0",
     "proxyquire": "^2.1.3",
     "sinon": "^18.0.0",
diff --git a/document-ai/package.json b/document-ai/package.json
index 62b8f92a9c..94d20c0f42 100644
--- a/document-ai/package.json
+++ b/document-ai/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/endpoints/getting-started-grpc/package.json b/endpoints/getting-started-grpc/package.json
index 3e2d30addf..7cd70e066a 100644
--- a/endpoints/getting-started-grpc/package.json
+++ b/endpoints/getting-started-grpc/package.json
@@ -21,7 +21,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "wait-port": "^1.0.4"
   }
diff --git a/error-reporting/package.json b/error-reporting/package.json
index cde5f1d1f0..eb19ba3b09 100644
--- a/error-reporting/package.json
+++ b/error-reporting/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "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 942f69d852..74a918235e 100644
--- a/eventarc/audit-storage/package.json
+++ b/eventarc/audit-storage/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "supertest": "^7.0.0"
diff --git a/eventarc/generic/package.json b/eventarc/generic/package.json
index e2c35327ca..99aef7c3fa 100644
--- a/eventarc/generic/package.json
+++ b/eventarc/generic/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "supertest": "^7.0.0",
diff --git a/eventarc/pubsub/package.json b/eventarc/pubsub/package.json
index 4b84aeaca4..7c2a765c3c 100644
--- a/eventarc/pubsub/package.json
+++ b/eventarc/pubsub/package.json
@@ -26,7 +26,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "supertest": "^7.0.0"
   }
diff --git a/generative-ai/snippets/package.json b/generative-ai/snippets/package.json
index 05a0e73ca1..23528424a8 100644
--- a/generative-ai/snippets/package.json
+++ b/generative-ai/snippets/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "uuid": "^10.0.0"
diff --git a/iam/deny/package.json b/iam/deny/package.json
index bb8de83a0e..8bcc35f6a9 100644
--- a/iam/deny/package.json
+++ b/iam/deny/package.json
@@ -18,7 +18,7 @@
     },
     "devDependencies": {
         "c8": "^10.0.0",
-        "chai": "^5.0.0",
+        "chai": "^4.2.0",
         "mocha": "^10.0.0",
         "uuid": "^10.0.0"
     }
diff --git a/kms/package.json b/kms/package.json
index e5f73a4e3d..c8e264fe88 100644
--- a/kms/package.json
+++ b/kms/package.json
@@ -19,7 +19,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/media/livestream/package.json b/media/livestream/package.json
index 2c92047ec0..c9e90a4dec 100644
--- a/media/livestream/package.json
+++ b/media/livestream/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.1.0",
     "uuid": "^10.0.0"
   }
diff --git a/media/video-stitcher/package.json b/media/video-stitcher/package.json
index d9dc69a8b7..7f229c9fd8 100644
--- a/media/video-stitcher/package.json
+++ b/media/video-stitcher/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.1.0",
     "uuid": "^10.0.0"
   }
diff --git a/mediatranslation/package.json b/mediatranslation/package.json
index 559ae2ecca..9aa71efeb1 100644
--- a/mediatranslation/package.json
+++ b/mediatranslation/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
\ No newline at end of file
diff --git a/monitoring/snippets/package.json b/monitoring/snippets/package.json
index f2c608a760..80267cfb06 100644
--- a/monitoring/snippets/package.json
+++ b/monitoring/snippets/package.json
@@ -19,7 +19,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/package.json b/package.json
index a40ea8017d..b239c7ad54 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,6 @@
   },
   "dependencies": {
     "commander": "^12.0.0",
-    "eslint": "^9.0.0"
+    "eslint": "^8.57.0"
   }
 }
diff --git a/recaptcha_enterprise/snippets/package.json b/recaptcha_enterprise/snippets/package.json
index 16b416e730..af0218e2b7 100644
--- a/recaptcha_enterprise/snippets/package.json
+++ b/recaptcha_enterprise/snippets/package.json
@@ -28,7 +28,7 @@
     "@types/node": "^20.0.0",
     "@types/yargs": "^17.0.19",
     "c8": "^10.0.0",
-    "eslint": "^9.0.0",
+    "eslint": "^8.57.0",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
     "ts-node": "^10.9.1",
diff --git a/retail/package.json b/retail/package.json
index 0ceae901ef..e6499d321d 100644
--- a/retail/package.json
+++ b/retail/package.json
@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.2.0"
   }
 }
diff --git a/routeoptimization/snippets/package.json b/routeoptimization/snippets/package.json
index dfd632b835..d811d315e4 100644
--- a/routeoptimization/snippets/package.json
+++ b/routeoptimization/snippets/package.json
@@ -18,7 +18,7 @@
     },
     "devDependencies": {
         "c8": "^10.0.0",
-        "chai": "^5.0.0",
+        "chai": "^4.2.0",
         "mocha": "^10.0.0"
     }
 }
diff --git a/run/hello-broken/package.json b/run/hello-broken/package.json
index e231a6268c..5127309653 100644
--- a/run/hello-broken/package.json
+++ b/run/hello-broken/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/run/helloworld/package.json b/run/helloworld/package.json
index 5ba8aacb86..c380d70ab2 100644
--- a/run/helloworld/package.json
+++ b/run/helloworld/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "supertest": "^7.0.0"
   }
diff --git a/run/idp-sql/package.json b/run/idp-sql/package.json
index 4758f1d9d5..5f7970a3de 100644
--- a/run/idp-sql/package.json
+++ b/run/idp-sql/package.json
@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "short-uuid": "^5.0.0",
     "sinon": "^18.0.0",
diff --git a/run/image-processing/package.json b/run/image-processing/package.json
index facca7054c..d46a057c9b 100644
--- a/run/image-processing/package.json
+++ b/run/image-processing/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "supertest": "^7.0.0"
   }
diff --git a/run/logging-manual/package.json b/run/logging-manual/package.json
index 37d2dc2c15..5098c9d6ca 100644
--- a/run/logging-manual/package.json
+++ b/run/logging-manual/package.json
@@ -19,7 +19,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "express": "^4.17.1",
-    "got": "^14.0.0"
+    "got": "^11.5.0"
   },
   "devDependencies": {
     "@google-cloud/logging": "^11.0.0",
diff --git a/run/markdown-preview/editor/package.json b/run/markdown-preview/editor/package.json
index 920f554cc6..4594d0c0b6 100644
--- a/run/markdown-preview/editor/package.json
+++ b/run/markdown-preview/editor/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "express": "^4.17.1",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "handlebars": "^4.7.6"
   },
   "devDependencies": {
diff --git a/run/markdown-preview/renderer/package.json b/run/markdown-preview/renderer/package.json
index 57b4ee6158..b612f98225 100644
--- a/run/markdown-preview/renderer/package.json
+++ b/run/markdown-preview/renderer/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "supertest": "^7.0.0"
diff --git a/run/pubsub/package.json b/run/pubsub/package.json
index f023ccaf78..990ae8ba54 100644
--- a/run/pubsub/package.json
+++ b/run/pubsub/package.json
@@ -24,7 +24,7 @@
   "devDependencies": {
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "sinon": "^18.0.0",
     "supertest": "^7.0.0",
diff --git a/run/system-package/package.json b/run/system-package/package.json
index 76af2456ba..506f1ddcd1 100644
--- a/run/system-package/package.json
+++ b/run/system-package/package.json
@@ -19,7 +19,7 @@
   "devDependencies": {
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.0.0",
     "supertest": "^7.0.0"
   }
diff --git a/run/websockets/package.json b/run/websockets/package.json
index 49ddd7aba1..196f3f8f4c 100644
--- a/run/websockets/package.json
+++ b/run/websockets/package.json
@@ -23,7 +23,7 @@
     "@types/express": "^4.17.17",
     "c8": "^10.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^14.0.0",
+    "got": "^11.5.0",
     "mocha": "^10.2.0",
     "puppeteer": "^22.0.0"
   }
diff --git a/scheduler/package.json b/scheduler/package.json
index 184c3b5074..d31922efa8 100644
--- a/scheduler/package.json
+++ b/scheduler/package.json
@@ -24,7 +24,7 @@
     "@types/mocha": "^10.0.1",
     "@types/node": "^20.0.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "gts": "^5.0.0",
     "mocha": "^10.2.0",
     "ts-node": "^10.9.1",
diff --git a/secret-manager/package.json b/secret-manager/package.json
index a8d24531c6..ac796ac454 100644
--- a/secret-manager/package.json
+++ b/secret-manager/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/security-center/snippets/package.json b/security-center/snippets/package.json
index 0f30cfa762..c9017eba9e 100644
--- a/security-center/snippets/package.json
+++ b/security-center/snippets/package.json
@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.4.0",
     "uuid": "^10.0.0"
   }
diff --git a/service-directory/snippets/package.json b/service-directory/snippets/package.json
index ed533fd40a..394efa0659 100644
--- a/service-directory/snippets/package.json
+++ b/service-directory/snippets/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/speech/package.json b/speech/package.json
index 6acdecbad1..d2d1a978b3 100644
--- a/speech/package.json
+++ b/speech/package.json
@@ -25,7 +25,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/storage-control/package.json b/storage-control/package.json
index f40ba05a48..9e87907aaf 100644
--- a/storage-control/package.json
+++ b/storage-control/package.json
@@ -15,7 +15,7 @@
     "@google-cloud/storage": "^7.12.0",
     "@google-cloud/storage-control": "^0.2.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.7.0",
     "uuid": "^10.0.0"
   }
diff --git a/storagetransfer/package.json b/storagetransfer/package.json
index b94a5affcd..1982714c63 100644
--- a/storagetransfer/package.json
+++ b/storagetransfer/package.json
@@ -21,7 +21,7 @@
     "@google-cloud/pubsub": "^4.0.5",
     "aws-sdk": "^2.1073.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/talent/package.json b/talent/package.json
index 27fab62ce7..bd0f3d02b8 100644
--- a/talent/package.json
+++ b/talent/package.json
@@ -24,7 +24,7 @@
     "@types/mocha": "^10.0.0",
     "@types/node": "^20.0.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/translate/package.json b/translate/package.json
index 07c104386c..8a39174ea8 100644
--- a/translate/package.json
+++ b/translate/package.json
@@ -23,7 +23,7 @@
   "devDependencies": {
     "@google-cloud/storage": "^7.0.0",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0",
     "uuid": "^10.0.0"
   }
diff --git a/video-intelligence/package.json b/video-intelligence/package.json
index 61971e83db..ccc91ce090 100644
--- a/video-intelligence/package.json
+++ b/video-intelligence/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.0.0"
   }
 }
diff --git a/vision/package.json b/vision/package.json
index 8f293e5c3d..b059465a6f 100644
--- a/vision/package.json
+++ b/vision/package.json
@@ -24,7 +24,7 @@
     "@types/uuid": "^10.0.0",
     "@types/yargs": "^17.0.22",
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^4.2.0",
     "mocha": "^10.2.0",
     "uuid": "^10.0.0"
   }