diff --git a/package.json b/package.json
index a5db596..b05bf44 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,8 @@
     "passport-google-oauth": "latest",
     "passport-local": "~1.0.0",
     "promise": "^7.0.4",
+    "socket.io": "jldec/socket.io",
+    "socket.io-client": "github:gsklee/socket.io-client#e50c1cc",
     "serve-favicon": "~2.3.0"
   },
   "devDependencies": {