diff --git a/CHANGELOG.md b/CHANGELOG.md
index 403239612..ef6e85edd 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]
 
+## [2.20.0] - 2023-10-06
+
 - Support `biome`. ([#246](https://github.com/taiki-e/install-action/pull/246), thanks @nhedger)
 
 ## [2.19.4] - 2023-10-05
@@ -1287,7 +1289,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.19.4...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.20.0...HEAD
+[2.20.0]: https://github.com/taiki-e/install-action/compare/v2.19.4...v2.20.0
 [2.19.4]: https://github.com/taiki-e/install-action/compare/v2.19.3...v2.19.4
 [2.19.3]: https://github.com/taiki-e/install-action/compare/v2.19.2...v2.19.3
 [2.19.2]: https://github.com/taiki-e/install-action/compare/v2.19.1...v2.19.2