diff --git a/package.json b/package.json
index 245692f..392dba0 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "express": "^4.16.4",
     "flubber": "^0.4.2",
     "pre-loader": "^0.5.0",
-    "socket.io": "2.1.1",
+    "socket.io": "2.5.0",
     "socket.io-client": "2.1.1"
   },
   "devDependencies": {