diff --git a/CHANGELOG.md b/CHANGELOG.md
index 210d2a7..6866b5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,9 +5,9 @@ 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).
 
-## X.Y.Z
+## [1.2.1] - 2024-05-15
 
-### Fixed in X.Y.Z
+### Fixed in 1.2.1
 
 - Fixed the "error updating to TUF remote mirror: invalid key" error
   ([#688](https://github.com/ianlewis/todo-issue-reopener/issues/688)).
@@ -49,3 +49,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [1.0.0]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.0.0
 [1.1.0]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.1.0
 [1.2.0]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.2.0
+[1.2.1]: https://github.com/ianlewis/todo-issue-reopener/releases/tag/v1.2.1