diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b1c5fb..f853acf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+## [1.2.0] - 2017-12-18
 ### Removed
 - removed default channel selection
 - removed obsolete test assertions 
@@ -56,7 +57,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 - initial code
 
-[Unreleased]: https://github.com/CMTelecom/messaging-php/compare/1.1.1....HEAD
+[Unreleased]: https://github.com/CMTelecom/messaging-php/compare/1.2.0....HEAD
+[1.2.0]: https://github.com/CMTelecom/messaging-php/compare/1.1.1...1.2.0
 [1.1.1]: https://github.com/CMTelecom/messaging-php/compare/1.1.0...1.1.1
 [1.1.0]: https://github.com/CMTelecom/messaging-php/compare/1.0.2...1.1.0
 [1.0.2]: https://github.com/CMTelecom/messaging-php/compare/1.0.1...1.0.2