diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1cba9ad..b523eecf 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]
 
+## [2.18.12] - 2023-09-16
+
 - Fix some bugs on Windows.
 
 ## [2.18.11] - 2023-09-15
@@ -1223,7 +1225,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.18.11...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.18.12...HEAD
+[2.18.12]: https://github.com/taiki-e/install-action/compare/v2.18.11...v2.18.12
 [2.18.11]: https://github.com/taiki-e/install-action/compare/v2.18.10...v2.18.11
 [2.18.10]: https://github.com/taiki-e/install-action/compare/v2.18.9...v2.18.10
 [2.18.9]: https://github.com/taiki-e/install-action/compare/v2.18.8...v2.18.9