diff --git a/CHANGELOG.md b/CHANGELOG.md
index 100f76f6..3a912331 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]
 
+## [2.3.1] - 2023-01-18
+
 - Update `dprint@latest` to 0.34.4.
 
 - Update `cargo-binstall@latest` to 0.19.3.
@@ -569,7 +571,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.3.0...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.3.1...HEAD
+[2.3.1]: https://github.com/taiki-e/install-action/compare/v2.3.0...v2.3.1
 [2.3.0]: https://github.com/taiki-e/install-action/compare/v2.2.3...v2.3.0
 [2.2.3]: https://github.com/taiki-e/install-action/compare/v2.2.2...v2.2.3
 [2.2.2]: https://github.com/taiki-e/install-action/compare/v2.2.1...v2.2.2