diff --git a/healthcare/dicom/package.json b/healthcare/dicom/package.json
index 3407b19efd..7d18a87e84 100644
--- a/healthcare/dicom/package.json
+++ b/healthcare/dicom/package.json
@@ -12,7 +12,7 @@
     "test": "mocha system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "@google-cloud/storage": "^5.0.0",
     "mocha": "^7.0.0"
   },
diff --git a/healthcare/fhir/package.json b/healthcare/fhir/package.json
index 3407b19efd..7d18a87e84 100644
--- a/healthcare/fhir/package.json
+++ b/healthcare/fhir/package.json
@@ -12,7 +12,7 @@
     "test": "mocha system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "@google-cloud/storage": "^5.0.0",
     "mocha": "^7.0.0"
   },
diff --git a/healthcare/hl7v2/package.json b/healthcare/hl7v2/package.json
index 9de593ab05..17f085278f 100644
--- a/healthcare/hl7v2/package.json
+++ b/healthcare/hl7v2/package.json
@@ -12,7 +12,7 @@
     "test": "mocha system-test/*.test.js --timeout=60000"
   },
   "devDependencies": {
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "mocha": "^7.0.0"
   },
   "dependencies": {
diff --git a/iot/http_example/package.json b/iot/http_example/package.json
index 56b2db6770..bbc56745e4 100644
--- a/iot/http_example/package.json
+++ b/iot/http_example/package.json
@@ -22,7 +22,7 @@
     "yargs": "^15.0.0"
   },
   "devDependencies": {
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "googleapis": "^51.0.0",
     "mocha": "^7.0.0",
     "uuid": "^8.0.0"
diff --git a/iot/manager/package.json b/iot/manager/package.json
index 44b8879289..e7f29b43ef 100644
--- a/iot/manager/package.json
+++ b/iot/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",
     "yargs": "^15.1.0"
   },
diff --git a/iot/mqtt_example/package.json b/iot/mqtt_example/package.json
index 431ca8a765..088767531a 100644
--- a/iot/mqtt_example/package.json
+++ b/iot/mqtt_example/package.json
@@ -23,7 +23,7 @@
     "yargs": "^15.0.0"
   },
   "devDependencies": {
-    "@google-cloud/pubsub": "^1.0.0",
+    "@google-cloud/pubsub": "^2.0.0",
     "mocha": "^7.0.0",
     "uuid": "^8.0.0"
   }
diff --git a/iot/scripts/package.json b/iot/scripts/package.json
index 55e7de6db1..98cfe688c5 100644
--- a/iot/scripts/package.json
+++ b/iot/scripts/package.json
@@ -8,6 +8,6 @@
     "node": ">=10.0.0"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^1.0.0"
+    "@google-cloud/pubsub": "^2.0.0"
   }
 }