diff --git a/11-Deploying-Node.js/source/deploying-a-full-system/micro/auditservice/package.json b/11-Deploying-Node.js/source/deploying-a-full-system/micro/auditservice/package.json
index bcb0138..43c24ac 100644
--- a/11-Deploying-Node.js/source/deploying-a-full-system/micro/auditservice/package.json
+++ b/11-Deploying-Node.js/source/deploying-a-full-system/micro/auditservice/package.json
@@ -11,7 +11,7 @@
   "license": "ISC",
   "dependencies": {
     "concordant": "^0.2.1",
-    "mongodb": "^2.2.25",
+    "mongodb": "^3.6.1",
     "restify": "^4.3.0"
   }
 }