diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index f857c26..910b456
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "express": "^4.14.0",
     "jsonwebtoken": "^7.2.1",
     "lodash": "^4.17.2",
-    "mongoose": "^4.7.4",
+    "mongoose": "^5.4.10",
     "nedb": "^1.8.0",
     "socket.io": "^1.7.2",
     "socketio-jwt": "^4.5.0"