diff --git a/chapter8/package.json b/chapter8/package.json
index 7eed3dd..06e9954 100644
--- a/chapter8/package.json
+++ b/chapter8/package.json
@@ -18,7 +18,7 @@
     "express": "~4.16.0",
     "express-session": "~1.15.6",
     "log4js": "^0.6.38",
-    "mongoose": "^6.3.4",
+    "mongoose": "^8.8.3",
     "mongoskin": "~2.1.0",
     "node-slogger": "0.0.2",
     "redis": "~2.3.0",