diff --git a/package.json b/package.json
index 77b90f2..3f298b6 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "express": "~4.13.3",
     "grunt-cli": "^0.1.13",
     "mustache": "~2.2.1",
-    "socket.io": "~2.0.0",
+    "socket.io": "~2.4.0",
     "underscore": "~1.8.3"
   },
   "devDependencies": {