diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7fb267f..ae390471 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]
 
+## [2.50.6] - 2025-05-03
+
 - Update `knope@latest` to 0.20.0.
 
 ## [2.50.5] - 2025-05-02
@@ -3856,7 +3858,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.50.5...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.50.6...HEAD
+[2.50.6]: https://github.com/taiki-e/install-action/compare/v2.50.5...v2.50.6
 [2.50.5]: https://github.com/taiki-e/install-action/compare/v2.50.4...v2.50.5
 [2.50.4]: https://github.com/taiki-e/install-action/compare/v2.50.3...v2.50.4
 [2.50.3]: https://github.com/taiki-e/install-action/compare/v2.50.2...v2.50.3