diff --git a/package.json b/package.json
index 303548a..732fe4b 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "express": "^4.14.0",
     "express-session": "^1.14.2",
     "html-entities": "^1.2.0",
-    "mongoose": "^4.7.6",
+    "mongoose": "^5.12.2",
     "socket.io": "^1.7.2"
   }
 }