diff --git a/Authentication/AuthDemo/package.json b/Authentication/AuthDemo/package.json
index 8b96c1f..26f85a1 100644
--- a/Authentication/AuthDemo/package.json
+++ b/Authentication/AuthDemo/package.json
@@ -13,7 +13,7 @@
     "ejs": "^2.3.4",
     "express": "^4.13.3",
     "express-session": "^1.11.3",
-    "mongoose": "^4.1.12",
+    "mongoose": "^5.7.8",
     "passport": "^0.3.0",
     "passport-local": "^1.0.0",
     "passport-local-mongoose": "^3.1.0"