diff --git a/appengine/typescript/package.json b/appengine/typescript/package.json
index 04c9493035..b90841bf4c 100644
--- a/appengine/typescript/package.json
+++ b/appengine/typescript/package.json
@@ -30,7 +30,7 @@
     "chai": "^4.3.7",
     "gts": "^3.1.1",
     "mocha": "^10.2.0",
-    "typescript": "^4.9.5",
+    "typescript": "^5.0.0",
     "wait-port": "^1.0.0"
   }
 }
diff --git a/package.json b/package.json
index caf62fd74a..ce7c4f0162 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "@typescript-eslint/parser": "^5.52.0",
     "gts": "^3.1.0",
     "nunjucks": "^3.2.3",
-    "typescript": "^4.6.4"
+    "typescript": "^5.0.0"
   },
   "dependencies": {
     "@google-cloud/asset": "^4.5.0",
diff --git a/scheduler/package.json b/scheduler/package.json
index e8d57611ad..680cf68ced 100644
--- a/scheduler/package.json
+++ b/scheduler/package.json
@@ -31,6 +31,6 @@
     "gts": "^3.1.1",
     "mocha": "^10.2.0",
     "ts-node": "^10.9.1",
-    "typescript": "^4.9.5"
+    "typescript": "^5.0.0"
   }
 }