diff --git a/package.json b/package.json
index a125d41..23df5df 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "request-promise": "4.2.2",
     "redis": "2.8.0",
     "express": "4.16.3",
-    "socket.io": "1.4.6",
+    "socket.io": "2.5.0",
     "md5": "2.2.1"
   },
   "engines": {