diff --git a/iot/mqtt_example/package.json b/iot/mqtt_example/package.json
index 13d96926b2..1f60f0698f 100644
--- a/iot/mqtt_example/package.json
+++ b/iot/mqtt_example/package.json
@@ -17,9 +17,9 @@
     "system-test": "mocha system-test/*.test.js --timeout=600000"
   },
   "dependencies": {
-    "@google-cloud/iot": "^0.2.0",
+    "@google-cloud/iot": "^1.0.0",
     "jsonwebtoken": "^8.5.0",
-    "mqtt": "^2.18.8",
+    "mqtt": "^4.2.7",
     "yargs": "^13.2.2"
   },
   "devDependencies": {