diff --git a/package.json b/package.json
index 66d3a3b..5f3f337 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "main": "server.js",
     "dependencies": {
         "express": "3.4.x",
-        "socket.io": "0.9.x"
+        "socket.io": "2.4.0"
     },
     "engines": {
         "node": "0.10.x",