diff --git a/appengine/mongodb/package.json b/appengine/mongodb/package.json
index 98203e6ebd..0a4b4710c6 100644
--- a/appengine/mongodb/package.json
+++ b/appengine/mongodb/package.json
@@ -30,7 +30,7 @@
   },
   "dependencies": {
     "mongodb": "3.0.4",
-    "nconf": "0.10.0"
+    "nconf": "0.11.3"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "^2.2.1"