diff --git a/Sockets_Survey/package.json b/Sockets_Survey/package.json
index 058f976..b08d84b 100644
--- a/Sockets_Survey/package.json
+++ b/Sockets_Survey/package.json
@@ -3,6 +3,6 @@
   "dependencies": {
     "ejs": "1.0.0",
     "express": "~4.10.0",
-    "socket.io": "^1.3.7"
+    "socket.io": "^2.1.0"
   }
 }