diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4cd47399d..558c66444 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,20 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/pubsub?activeTab=versions
 
+## [5.0.0](https://github.com/googleapis/nodejs-pubsub/compare/v4.11.0...v5.0.0) (2025-04-28)
+
+
+### ⚠ BREAKING CHANGES
+
+* migrate to Node 18 ([#2024](https://github.com/googleapis/nodejs-pubsub/issues/2024))
+* remove (broken) legacy OTel support
+* remove legacy ack deadline options
+* move maxExtension into subscriber options
+
+### Miscellaneous Chores
+
+* Migrate to Node 18 ([#2024](https://github.com/googleapis/nodejs-pubsub/issues/2024)) ([9ad808a](https://github.com/googleapis/nodejs-pubsub/commit/9ad808adb99b6e64c2c4431991721deae14b6400))
+
 ## [4.11.0](https://github.com/googleapis/nodejs-pubsub/compare/v4.10.0...v4.11.0) (2025-03-27)
 
 
diff --git a/package.json b/package.json
index 2bbee45d0..c6d2c6e3c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/pubsub",
   "description": "Cloud Pub/Sub Client Library for Node.js",
-  "version": "4.11.0",
+  "version": "5.0.0",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index b7ade629e..fbc640424 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -25,7 +25,7 @@
   },
   "dependencies": {
     "@google-cloud/opentelemetry-cloud-trace-exporter": "^2.0.0",
-    "@google-cloud/pubsub": "^4.11.0",
+    "@google-cloud/pubsub": "^5.0.0",
     "@google-cloud/storage": "^7.11.1",
     "@opentelemetry/api": "^1.6.0",
     "@opentelemetry/resources": "^1.17.0",