diff --git a/package.json b/package.json
index b700d83..b033fa5 100644
--- a/package.json
+++ b/package.json
@@ -24,6 +24,7 @@
     "body-parser": "^1.15.2",
     "config": "^1.24.0",
     "cors": "^2.8.3",
+    "express": "^4.16.2",
     "socket.io": "^2.0.4",
     "uuid": "^3.0.1"
   }