diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2015f14b..5e6a8ad7 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]
 
+## [2.88.1] - 2026-10-30
+
 - Update `wasmtime@latest` to 50.0.1.
 
 - Update `vacuum@latest` to 0.36.0.
@@ -7974,7 +7976,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.88.0...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.88.1...HEAD
+[2.88.1]: https://github.com/taiki-e/install-action/compare/v2.88.0...v2.88.1
 [2.88.0]: https://github.com/taiki-e/install-action/compare/v2.87.33...v2.88.0
 [2.87.33]: https://github.com/taiki-e/install-action/compare/v2.87.32...v2.87.33
 [2.87.32]: https://github.com/taiki-e/install-action/compare/v2.87.31...v2.87.32