Changelog for v0.4.2.

Author: tomzx

CHANGELOG.md

@@ -4,6 +4,10 @@ This project follows [Semantic Versioning 2.0.0](http://semver.org/).
 
 ## <a name="unreleased"></a>Unreleased
 
+## <a name="v0.4.2"></a>v0.4.2 (2015-06-25) 
+### Changed
+* Update `php-semver-checker` to v0.7.0
+
 ## <a name="v0.4.1"></a>v0.4.1 (2015-06-20) 
 ### Changed
 * Update `php-semver-checker` to v0.6.3