diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24e52761..e438c9f9 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]
 
+## [2.65.1] - 2025-12-21
+
 - Update `tombi@latest` to 0.7.9.
 
 - Update `vacuum@latest` to 0.21.6.
@@ -5171,7 +5173,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.65.0...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.65.1...HEAD
+[2.65.1]: https://github.com/taiki-e/install-action/compare/v2.65.0...v2.65.1
 [2.65.0]: https://github.com/taiki-e/install-action/compare/v2.64.2...v2.65.0
 [2.64.2]: https://github.com/taiki-e/install-action/compare/v2.64.1...v2.64.2
 [2.64.1]: https://github.com/taiki-e/install-action/compare/v2.64.0...v2.64.1