Update CHANGELOG.md

CHANGELOG.md

@@ -2,6 +2,9 @@
 All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
+## [2.1.1] - 2023-09-06
+- bumped version
+
 ## [2.1.0] - 2023-08-30
 ### Fixed
 - Added external subject in specific asset Ids.
@@ -215,7 +218,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Compliance with Catena-X Guidelines
 - Integration with Digital Twin registry service.
 
-[unreleased]: https://github.com/eclipse-tractusx/managed-simple-data-exchanger-backend/compare/v2.1.0...main
+[unreleased]: https://github.com/eclipse-tractusx/managed-simple-data-exchanger-backend/compare/v2.1.1...main
+[2.1.1]: https://github.com/eclipse-tractusx/managed-simple-data-exchanger-backend/compare/v2.1.0...v2.1.1
 [2.1.0]: https://github.com/eclipse-tractusx/managed-simple-data-exchanger-backend/compare/v2.0.11...v2.1.0
 [2.0.11]: https://github.com/eclipse-tractusx/managed-simple-data-exchanger-backend/compare/v2.0.10...v2.0.11
 [2.0.10]: https://github.com/eclipse-tractusx/managed-simple-data-exchanger-backend/compare/sdebackend-2.0.9...v2.0.10