CHANGELOG.md in request_handler-1.1.0 vs CHANGELOG.md in request_handler-1.2.0

@@ -2,10 +2,12 @@
 All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.2.0] - 2019-04-15
+### Added
+- Apart from dry-validation, now definition or any other validation library can be used
 
 ## [1.1.0] - 2018-07-13
 ### Changed
 - loosen dry-gems restrictions, now allow all version > 0.11