diff --git a/CHANGELOG.md b/CHANGELOG.md
index f83f4cc..9d46b75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.1] - 2021-11-24
+
 ### Changed
 
 - Fix clearing metrics when cluster is deleted or invalid.
@@ -55,7 +57,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add Upgrade-Schedule-Operator.
 
 
-[Unreleased]: https://github.com/giantswarm/upgrade-schedule-operator/compare/v0.3.0...HEAD
+[Unreleased]: https://github.com/giantswarm/upgrade-schedule-operator/compare/v0.3.1...HEAD
+[0.3.1]: https://github.com/giantswarm/upgrade-schedule-operator/compare/v0.3.0...v0.3.1
 [0.3.0]: https://github.com/giantswarm/upgrade-schedule-operator/compare/v0.2.1...v0.3.0
 [0.2.1]: https://github.com/giantswarm/upgrade-schedule-operator/compare/v0.2.0...v0.2.1
 [0.2.0]: https://github.com/giantswarm/upgrade-schedule-operator/compare/v0.1.1...v0.2.0