diff --git a/package.json b/package.json
index a2e81c4..9d539ac 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
         "express": "4.16.0",
         "ejs": "0.8.4",
         "less-middleware": "0.1.11",
-        "socket.io": "1.7.4",
+        "socket.io": "2.5.0",
         "socket.io-client": "1.1.0",
         "request": "2.88.0",
         "mongoose": "5.11.7",