diff --git a/package.json b/package.json
index ebc34fc..7959a16 100644
--- a/package.json
+++ b/package.json
@@ -72,7 +72,7 @@
   "devDependencies": {
     "@types/chai": "^4.2.4",
     "@types/chai-as-promised": "^7.1.2",
-    "@types/express": "^4.17.2",
+    "@types/express": "^5.0.0",
     "@types/knex": "^0.15.2",
     "@types/lodash.clonedeep": "^4.5.6",
     "@types/mocha": "^5.2.7",
@@ -106,7 +106,7 @@
     "nyc": "^14.1.1",
     "sinon": "^7.5.0",
     "supertest": "^4.0.2",
-    "typescript": "^3.7.2",
+    "typescript": "^5.0.0",
     "webmention-testpinger": "^0.7.0"
   }
 }