diff --git a/package.json b/package.json
index 933c1192b..f64a05bdc 100644
--- a/package.json
+++ b/package.json
@@ -381,7 +381,7 @@
     "range-parser": "^1.2.0",
     "rimraf": "^2.6.0",
     "safe-buffer": "^5.0.1",
-    "socket.io": "2.0.4",
+    "socket.io": "2.1.1",
     "source-map": "^0.6.1",
     "tmp": "0.0.33",
     "useragent": "2.2.1"