diff --git a/samples/http_example/package.json b/samples/http_example/package.json
index 69172f10..7d9cd060 100644
--- a/samples/http_example/package.json
+++ b/samples/http_example/package.json
@@ -23,7 +23,7 @@
     "retry-request": "^4.0.0",
     "uuid": "^8.0.0",
     "yargs": "^15.0.0",
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "googleapis": "^51.0.0"
   }
 }
diff --git a/samples/manager/package.json b/samples/manager/package.json
index bb998050..49c554c7 100644
--- a/samples/manager/package.json
+++ b/samples/manager/package.json
@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@google-cloud/iot": "^2.0.0",
-    "@google-cloud/pubsub": "^1.2.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "googleapis": "^51.0.0",
     "mocha": "^7.1.1",
     "uuid": "^8.0.0",
diff --git a/samples/mqtt_example/package.json b/samples/mqtt_example/package.json
index c6fd6f0c..36830d13 100644
--- a/samples/mqtt_example/package.json
+++ b/samples/mqtt_example/package.json
@@ -18,7 +18,7 @@
   },
   "dependencies": {
     "@google-cloud/iot": "^2.0.0",
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "jsonwebtoken": "^8.5.0",
     "mocha": "^7.0.0",
     "mqtt": "^4.0.0",
diff --git a/samples/package.json b/samples/package.json
index 4268bb4d..36f7b8c2 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -16,7 +16,7 @@
   },
   "dependencies": {
     "@google-cloud/iot": "^2.0.1",
-    "@google-cloud/pubsub": "^1.6.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "googleapis": "^51.0.0",
     "util.promisify": "^1.0.1"
   },
diff --git a/samples/scripts/package.json b/samples/scripts/package.json
index 742d3e5e..c65318ff 100644
--- a/samples/scripts/package.json
+++ b/samples/scripts/package.json
@@ -8,6 +8,6 @@
     "node": ">=8.0.0"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^1.0.0"
+    "@google-cloud/pubsub": "^2.0.0"
   }
 }