diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0de22f3..77cce2bf 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]
 
+## [2.21.7] - 2023-11-02
+
 - Update `wasmtime@latest` to 14.0.4.
 
 - Update `protoc@latest` to 3.25.0.
@@ -1403,7 +1405,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.21.6...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.21.7...HEAD
+[2.21.7]: https://github.com/taiki-e/install-action/compare/v2.21.6...v2.21.7
 [2.21.6]: https://github.com/taiki-e/install-action/compare/v2.21.5...v2.21.6
 [2.21.5]: https://github.com/taiki-e/install-action/compare/v2.21.4...v2.21.5
 [2.21.4]: https://github.com/taiki-e/install-action/compare/v2.21.3...v2.21.4