CHANGELOG.md in m2m_keygen-0.4.1 vs CHANGELOG.md in m2m_keygen-0.4.2

@@ -5,9 +5,15 @@
 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]
 
+## [0.4.2] - 2022-09-05
+
+### Changed
+
+- Request default value for params in RackValidator
+
 ## [0.4.1] - 2022-09-05
 
 ### Changed
 
 - Loosening RackValidator initialize type.