diff --git a/appengine/pubsub/package.json b/appengine/pubsub/package.json
index 3878507c5f..4cc8b2f0fa 100644
--- a/appengine/pubsub/package.json
+++ b/appengine/pubsub/package.json
@@ -13,7 +13,7 @@
     "test": "mocha test/*.test.js --timeout=30000 --exit"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^2.5.0",
+    "@google-cloud/pubsub": "^3.0.0",
     "express": "^4.17.1",
     "google-auth-library": "^7.0.0",
     "path": "^0.12.7",