diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53028a7c..2a4c807a 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]
 
+## [2.2.1] - 2023-01-12
+
 - Update `cargo-binstall@latest` to 0.19.1.
 
 - Support `cargo-binstall` on aarch64 Windows.
@@ -547,7 +549,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.2.0...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.2.1...HEAD
+[2.2.1]: https://github.com/taiki-e/install-action/compare/v2.2.0...v2.2.1
 [2.2.0]: https://github.com/taiki-e/install-action/compare/v2.1.4...v2.2.0
 [2.1.4]: https://github.com/taiki-e/install-action/compare/v2.1.3...v2.1.4
 [2.1.3]: https://github.com/taiki-e/install-action/compare/v2.1.2...v2.1.3