diff --git a/6-Docker_Compose_For_Multi-Container_Apps/results_server/package.json b/6-Docker_Compose_For_Multi-Container_Apps/results_server/package.json
index 4c14fc1e..d2735be0 100644
--- a/6-Docker_Compose_For_Multi-Container_Apps/results_server/package.json
+++ b/6-Docker_Compose_For_Multi-Container_Apps/results_server/package.json
@@ -12,6 +12,6 @@
   "dependencies": {
     "ejs": "^2.5.6",
     "express": "^4.15.0",
-    "mongoose": "^4.8.5"
+    "mongoose": "^5.7.7"
   }
 }