diff --git a/CHANGELOG.md b/CHANGELOG.md
index d64e56e9..1de20d5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ The format is based on [Keep a Changelog], and this project adheres to
 [keep a changelog]: https://keepachangelog.com/en/1.0.0/
 [semantic versioning]: https://semver.org/spec/v2.0.0.html
 
-## Unreleased
+## [0.13.12] - 2024-03-05
 
 ### Changed
 
@@ -344,6 +344,7 @@ guide][0.11.0 migration guide] for detailed instructions.
 [0.13.9]: https://github.com/dogmatiq/testkit/releases/tag/v0.13.9
 [0.13.10]: https://github.com/dogmatiq/testkit/releases/tag/v0.13.10
 [0.13.11]: https://github.com/dogmatiq/testkit/releases/tag/v0.13.11
+[0.13.12]: https://github.com/dogmatiq/testkit/releases/tag/v0.13.12
 
 <!-- version template
 ## [0.0.1] - YYYY-MM-DD