diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80f2a13..a9bfdf5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ## [Unreleased]
 
+## [3.1.0] - 2020-04-01
+### Added
+- Input variable `commit_message` for using a custom commit message.
+
 ## [3.0.1] - 2020-03-28
 ### Fixed
 - Fix copying of files with names containing spaces.
@@ -26,7 +30,8 @@ and this project adheres to [Semantic Versioning](https://semver.org).
 
 ## 1.0.0 - 2019-07-09
 
-[Unreleased]: https://github.com/andstor/copycat-action/compare/v3.0.1...HEAD
+[Unreleased]: https://github.com/andstor/copycat-action/compare/v3.1.0...HEAD
+[3.1.0]: https://github.com/andstor/copycat-action/compare/v3.0.1...v3.1.0
 [3.0.1]: https://github.com/andstor/copycat-action/compare/v3.0.0...v3.0.1
 [3.0.0]: https://github.com/andstor/copycat-action/compare/v2.0.0...v3.0.0
 [2.0.0]: https://github.com/andstor/copycat-action/compare/v1.1.0...v2.0.0