diff --git a/package.json b/package.json
index 4738355..a942d84 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,6 @@
   "license": "ISC",
   "dependencies": {
     "express": "^4.14.0",
-    "socket.io": "^1.4.8"
+    "socket.io": "^2.5.1"
   }
 }