diff --git a/packages/google-appengine/samples/package.json b/packages/google-appengine/samples/package.json
index b075e9b3c20..73f18cd7f3f 100644
--- a/packages/google-appengine/samples/package.json
+++ b/packages/google-appengine/samples/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "c8": "^9.0.0",
-    "chai": "^4.2.0",
+    "chai": "^5.1.1",
     "mocha": "^8.0.0"
   }
 }
\ No newline at end of file