diff --git a/challenge4/start/package.json b/challenge4/start/package.json
index fb384523..30322a89 100644
--- a/challenge4/start/package.json
+++ b/challenge4/start/package.json
@@ -6,7 +6,7 @@
     "start": "node app"
   },
   "dependencies": {
-    "express": "3.1.0",
+    "express": "4.19.2",
     "ejs": "*",
     "mongoose":"*"
   }