diff --git a/CHANGELOG.md b/CHANGELOG.md
index d408ee30..2b3775cd 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]
 
+## [2.77.2] - 2026-05-08
+
 - Update `martin@latest` to 1.9.0.
 
 - Update `wasm-bindgen@latest` to 0.2.121.
@@ -6480,7 +6482,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.77.1...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.77.2...HEAD
+[2.77.2]: https://github.com/taiki-e/install-action/compare/v2.77.1...v2.77.2
 [2.77.1]: https://github.com/taiki-e/install-action/compare/v2.77.0...v2.77.1
 [2.77.0]: https://github.com/taiki-e/install-action/compare/v2.76.0...v2.77.0
 [2.76.0]: https://github.com/taiki-e/install-action/compare/v2.75.30...v2.76.0