diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8c62af5..616fd3ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+## [2.12.9] - 2023-07-08
+
 - Update `cargo-llvm-cov@latest` to 0.5.23.
 
 ## [2.12.8] - 2023-07-07
@@ -929,7 +931,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.12.8...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.12.9...HEAD
+[2.12.9]: https://github.com/taiki-e/install-action/compare/v2.12.8...v2.12.9
 [2.12.8]: https://github.com/taiki-e/install-action/compare/v2.12.7...v2.12.8
 [2.12.7]: https://github.com/taiki-e/install-action/compare/v2.12.6...v2.12.7
 [2.12.6]: https://github.com/taiki-e/install-action/compare/v2.12.5...v2.12.6