diff --git a/CHANGELOG.md b/CHANGELOG.md
index a315d703c..a1e31a1bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to the Solarium library will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [6.3.4]
 ### Added
 - PHP 8.3 support
 - Solarium\QueryType\Server\Api\Result::getWarning()