diff --git a/CHANGELOG.md b/CHANGELOG.md
index b59b1ed..f17c13f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,16 @@ All notable changes to this project will be documented 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).
 
-## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.5.1...HEAD)
+## [Unreleased](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.6.0...HEAD)
+
+> TBD
+
+
+## [v4.6.0](https://github.com/stefanzweifel/git-auto-commit-action/compare/v4.5.1...v4.6.0) - 2020-10-11
+
+### Changes
+
+- Make "commit_message" optional and set default commit message to "Apply automatic changes" [#103](https://github.com/stefanzweifel/git-auto-commit-action/issues/103), [#110](https://github.com/stefanzweifel/git-auto-commit-action/pull/110)
 
 ### Fixes
 - Better support for branch names with special characters in them [#108](https://github.com/stefanzweifel/git-auto-commit-action/pull/108)