diff --git a/samples/package.json b/samples/package.json
index 36b689f72..ab080f634 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -17,7 +17,7 @@
     "test": "repo-tools test run --cmd npm -- run cover"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "0.20.0",
+    "@google-cloud/pubsub": "4.0.0",
     "yargs": "10.1.2"
   },
   "devDependencies": {