Update CHANGELOG.md

Author: Tarpsvo

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 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).
 
+## [1.5.3] - 2020-09-02
+
+### Changed
+
+- Use Guard defined in Nova config to retrieve User class (thanks to [adriandmitroca](https://github.com/adriandmitroca))
+
 ## [1.5.2] - 2020-09-02
 
 ### Changed