diff --git a/CHANGELOG.md b/CHANGELOG.md
index ec1e5adf..f72ac557 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]
 
+## [2.18.9] - 2023-09-12
+
 - Update `syft@latest` to 0.90.0.
 
 ## [2.18.8] - 2023-09-11
@@ -1209,7 +1211,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.18.8...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.18.9...HEAD
+[2.18.9]: https://github.com/taiki-e/install-action/compare/v2.18.8...v2.18.9
 [2.18.8]: https://github.com/taiki-e/install-action/compare/v2.18.7...v2.18.8
 [2.18.7]: https://github.com/taiki-e/install-action/compare/v2.18.6...v2.18.7
 [2.18.6]: https://github.com/taiki-e/install-action/compare/v2.18.5...v2.18.6