rel: proper release day

Author: mgxd

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented (for humans) 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).
 
-## [0.5.1] - 2018-06-29
+## [0.5.1] - 2018-07-05
 Bugfix release
 
 ### Added