diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index f3c534fa..b115db68
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "session": "^0.1.0",
     "setprototypeof": "^1.0.3",
     "sliced": "^1.0.1",
-    "socket.io": "^1.7.3",
+    "socket.io": "^2.5.0",
     "static-favicon": "^2.0.0-alpha",
     "statuses": "^1.3.1",
     "streamsearch": "^0.1.2",