diff --git a/CHANGELOG.md b/CHANGELOG.md
index 284c14c1..5f1316b0 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]
 
+## [2.81.8] - 2026-06-08
+
 - Update `vacuum@latest` to 0.29.2.
 
 - Update `parse-dockerfile@latest` to 0.1.7.
@@ -6786,7 +6788,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.81.7...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.81.8...HEAD
+[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
 [2.81.5]: https://github.com/taiki-e/install-action/compare/v2.81.4...v2.81.5