Update CHANGELOG

Author: stefanzweifel

CHANGELOG.md

@@ -5,9 +5,16 @@ 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).
 
-## [Unreleased](https://github.com/stefanzweifel/php-changelog-updater/compare/v1.9.0...HEAD)
+## [Unreleased](https://github.com/stefanzweifel/php-changelog-updater/compare/v1.9.1...HEAD)
 
 <!-- New Release notes will be placed here automatically -->
+## [v1.9.1](https://github.com/stefanzweifel/php-changelog-updater/compare/v1.9.0...v1.9.1) - 2023-08-01
+
+### Fixed
+
+- Upgrade Dependencies to their latest versions ([#44](https://github.com/stefanzweifel/php-changelog-updater/pull/44))
+- Fix GitHub Username pattern ([#43](https://github.com/stefanzweifel/php-changelog-updater/pull/43))
+
 ## [v1.9.0](https://github.com/stefanzweifel/php-changelog-updater/compare/v1.8.0...v1.9.0) - 2023-07-02
 
 ### Added