diff --git a/package.json b/package.json
index e07e597..7df1063 100644
--- a/package.json
+++ b/package.json
@@ -14,6 +14,8 @@
     "http-proxy": "^1.16.2",
     "morgan": "~1.8.1",
     "recursive-readdir": "^2.2.1",
-    "serve-favicon": "~2.4.2"
+    "serve-favicon": "~2.4.2",
+    "socket.io": "^2.1.1",
+    "socket.io-p2p-server": "^1.2.0"
   }
 }