diff --git a/iot/manager/package.json b/iot/manager/package.json
index f228a8ce9b..f6653f8873 100644
--- a/iot/manager/package.json
+++ b/iot/manager/package.json
@@ -20,7 +20,7 @@
   "dependencies": {
     "@google-cloud/pubsub": "0.13.2",
     "googleapis": "20.1.0",
-    "yargs": "8.0.2"
+    "yargs": "15.0.1"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "1.4.17",