diff --git a/CHANGELOG.md b/CHANGELOG.md
index bac9a7b21..5914ff2bd 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]
 
+## [2.44.21] - 2024-10-04
+
 - Update `cargo-make@latest` to 0.37.21.
 
 - Update `cargo-binstall@latest` to 1.10.7.
@@ -2836,7 +2838,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.44.20...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.44.21...HEAD
+[2.44.21]: https://github.com/taiki-e/install-action/compare/v2.44.20...v2.44.21
 [2.44.20]: https://github.com/taiki-e/install-action/compare/v2.44.19...v2.44.20
 [2.44.19]: https://github.com/taiki-e/install-action/compare/v2.44.18...v2.44.19
 [2.44.18]: https://github.com/taiki-e/install-action/compare/v2.44.17...v2.44.18