diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1550d7bad..4b81185ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://www.npmjs.com/package/@google-cloud/pubsub?activeTab=versions
 
+## [4.3.3](https://github.com/googleapis/nodejs-pubsub/compare/v4.3.2...v4.3.3) (2024-03-03)
+
+
+### Bug Fixes
+
+* Add client library version to headers ([#1891](https://github.com/googleapis/nodejs-pubsub/issues/1891)) ([6b59195](https://github.com/googleapis/nodejs-pubsub/commit/6b59195aed8b6c6576e50512aeca9123ad0cc016))
+
 ## [4.3.2](https://github.com/googleapis/nodejs-pubsub/compare/v4.3.1...v4.3.2) (2024-02-13)
 
 
diff --git a/package.json b/package.json
index 9e74f738d..b30ccadaa 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": "4.3.2",
+  "version": "4.3.3",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
diff --git a/samples/package.json b/samples/package.json
index 9a852adf9..d97bff74a 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -21,7 +21,7 @@
     "precompile": "npm run clean"
   },
   "dependencies": {
-    "@google-cloud/pubsub": "^4.3.2",
+    "@google-cloud/pubsub": "^4.3.3",
     "@opentelemetry/api": "^1.6.0",
     "@opentelemetry/tracing": "^0.24.0",
     "avro-js": "^1.11.3",