diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec333619..c44dfe5e 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]
 
+## [2.85.9] - 2026-08-06
+
 - Update `zola@latest` to 0.23.1.
 
 - Update `wild@latest` to 0.10.0.
@@ -7214,7 +7216,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.85.8...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.85.9...HEAD
+[2.85.9]: https://github.com/taiki-e/install-action/compare/v2.85.8...v2.85.9
 [2.85.8]: https://github.com/taiki-e/install-action/compare/v2.85.7...v2.85.8
 [2.85.7]: https://github.com/taiki-e/install-action/compare/v2.85.6...v2.85.7
 [2.85.6]: https://github.com/taiki-e/install-action/compare/v2.85.5...v2.85.6