diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01c4f6f124..ab99511b9f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ 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]
+
+
+## [4.3.0] - 2023-12-08
 ### Added
 - Added support for `hasAlternatives` property in SingleLevelBomAsBuilt aspect
 
@@ -475,7 +478,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Unresolved
 - **Select Aspects you need**  You are able to select the needed aspects for which you want to collect the correct endpoint information.
 
-[Unreleased]: https://github.com/eclipse-tractusx/item-relationship-service/compare/4.2.0...HEAD
+[Unreleased]: https://github.com/eclipse-tractusx/item-relationship-service/compare/4.3.0...HEAD
+[4.3.0]: https://github.com/eclipse-tractusx/item-relationship-service/compare/4.2.0...4.3.0
 [4.2.0]: https://github.com/eclipse-tractusx/item-relationship-service/compare/4.1.0...4.2.0
 [4.1.0]: https://github.com/eclipse-tractusx/item-relationship-service/compare/4.0.2...4.1.0
 [4.0.2]: https://github.com/eclipse-tractusx/item-relationship-service/compare/4.0.1...4.0.2