diff --git a/code/Express/package.json b/code/Express/package.json
index 228bafb..96b06a2 100644
--- a/code/Express/package.json
+++ b/code/Express/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "dependencies": {
     "express": "^4.16.2",
-    "mongoose": "^4.12.4",
+    "mongoose": "^5.7.7",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
     "react-scripts": "1.0.14"