diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84d75a3d..92157762 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]
 
+## [2.81.9] - 2026-06-10
+
 - Update `wasm-bindgen@latest` to 0.2.123.
 
 - Update `tombi@latest` to 1.1.2.
@@ -6800,7 +6802,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.81.8...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.81.9...HEAD
+[2.81.9]: https://github.com/taiki-e/install-action/compare/v2.81.8...v2.81.9
 [2.81.8]: https://github.com/taiki-e/install-action/compare/v2.81.7...v2.81.8
 [2.81.7]: https://github.com/taiki-e/install-action/compare/v2.81.6...v2.81.7
 [2.81.6]: https://github.com/taiki-e/install-action/compare/v2.81.5...v2.81.6