diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3d6155b..2bd63b2a 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]
 
+## [2.33.9] - 2024-04-26
+
 - Update `syft@latest` to 1.3.0.
 
 ## [2.33.8] - 2024-04-24
@@ -2109,7 +2111,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.33.8...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.33.9...HEAD
+[2.33.9]: https://github.com/taiki-e/install-action/compare/v2.33.8...v2.33.9
 [2.33.8]: https://github.com/taiki-e/install-action/compare/v2.33.7...v2.33.8
 [2.33.7]: https://github.com/taiki-e/install-action/compare/v2.33.6...v2.33.7
 [2.33.6]: https://github.com/taiki-e/install-action/compare/v2.33.5...v2.33.6