diff --git a/examples/chat/package.json b/examples/chat/package.json
index 33b2f3bbf3..07a7b52735 100644
--- a/examples/chat/package.json
+++ b/examples/chat/package.json
@@ -7,7 +7,7 @@
   "private": true,
   "license": "BSD",
   "dependencies": {
-    "express": "~4.17.1",
+    "express": "~4.21.1",
     "socket.io": "^4.0.0"
   },
   "scripts": {