diff --git a/package.json b/package.json
index 02c05bb..addc5fd 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     , "log": "1.4.0"
     , "bison": "1.1.1"
     , "express": "4.14.0"
-    , "socket.io": "1.4.8"
+    , "socket.io": "2.5.0"
     , "sanitizer": "0.1.2"
     , "memcache": "0.3.0"
   }