diff --git a/CHANGELOG.md b/CHANGELOG.md
index c24b8ff1..1dbe83a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,18 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/pubsub?activeTab=versions
 
+## [4.3.0](https://github.com/googleapis/nodejs-pubsub/compare/v4.2.0...v4.3.0) (2024-02-05)
+
+
+### Features
+
+* Trusted Private Cloud support, use the universeDomain parameter ([#1878](https://github.com/googleapis/nodejs-pubsub/issues/1878)) ([d89fd1d](https://github.com/googleapis/nodejs-pubsub/commit/d89fd1d90b352f0cc7a50a72c5fec4aab6660f8f))
+
+
+### Bug Fixes
+
+* Updated google-gax required for TPC ([#1882](https://github.com/googleapis/nodejs-pubsub/issues/1882)) ([1445856](https://github.com/googleapis/nodejs-pubsub/commit/144585699595b97f1a4cc28551e45fe23305f480))
+
 ## [4.2.0](https://github.com/googleapis/nodejs-pubsub/compare/v4.1.1...v4.2.0) (2024-02-01)
 
 
diff --git a/package.json b/package.json
index 56958780..884fa4a9 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": "4.2.0",
+  "version": "4.3.0",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 778c2783..613c7874 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -21,7 +21,7 @@
     "precompile": "npm run clean"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^4.2.0",
+    "@google-cloud/pubsub": "^4.3.0",
     "@opentelemetry/api": "^1.6.0",
     "@opentelemetry/tracing": "^0.24.0",
     "avro-js": "^1.11.3",