diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ddfd58f..4395696a 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]
 
+## [2.52.6] - 2025-06-04
+
 - Update `cargo-udeps@latest` to 0.1.56.
 
 - Update `git-cliff@latest` to 2.9.1.
@@ -3966,7 +3968,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.52.5...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.52.6...HEAD
+[2.52.6]: https://github.com/taiki-e/install-action/compare/v2.52.5...v2.52.6
 [2.52.5]: https://github.com/taiki-e/install-action/compare/v2.52.4...v2.52.5
 [2.52.4]: https://github.com/taiki-e/install-action/compare/v2.52.3...v2.52.4
 [2.52.3]: https://github.com/taiki-e/install-action/compare/v2.52.2...v2.52.3