diff --git a/CHANGELOG.md b/CHANGELOG.md
index a594f638..417ce662 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]
 
+## [2.12.12] - 2023-07-17
+
 - Update `mdbook@latest` to 0.4.32.
 
 ## [2.12.11] - 2023-07-13
@@ -943,7 +945,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.12.11...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.12.12...HEAD
+[2.12.12]: https://github.com/taiki-e/install-action/compare/v2.12.11...v2.12.12
 [2.12.11]: https://github.com/taiki-e/install-action/compare/v2.12.10...v2.12.11
 [2.12.10]: https://github.com/taiki-e/install-action/compare/v2.12.9...v2.12.10
 [2.12.9]: https://github.com/taiki-e/install-action/compare/v2.12.8...v2.12.9