diff --git a/CHANGELOG.md b/CHANGELOG.md
index 337868c1..62715f96 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]
 
+## [2.81.4] - 2026-06-04
+
 - Update `vacuum@latest` to 0.28.4.
 
 - Update `typos@latest` to 1.47.1.
@@ -6748,7 +6750,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.81.3...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.81.4...HEAD
+[2.81.4]: https://github.com/taiki-e/install-action/compare/v2.81.3...v2.81.4
 [2.81.3]: https://github.com/taiki-e/install-action/compare/v2.81.2...v2.81.3
 [2.81.2]: https://github.com/taiki-e/install-action/compare/v2.81.1...v2.81.2
 [2.81.1]: https://github.com/taiki-e/install-action/compare/v2.81.0...v2.81.1