diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9def1d583..fdec42e47 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]
 
+## [2.47.9] - 2025-01-09
+
 - Update `editorconfig-checker@latest` to 3.1.1.
 
 - Update `protoc@latest` to 3.29.3.
@@ -3304,7 +3306,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.47.8...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.47.9...HEAD
+[2.47.9]: https://github.com/taiki-e/install-action/compare/v2.47.8...v2.47.9
 [2.47.8]: https://github.com/taiki-e/install-action/compare/v2.47.7...v2.47.8
 [2.47.7]: https://github.com/taiki-e/install-action/compare/v2.47.6...v2.47.7
 [2.47.6]: https://github.com/taiki-e/install-action/compare/v2.47.5...v2.47.6