diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5a30579..5b1a75de 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]
 
+## [2.86.0] - 2026-08-15
+
 - Support `oxfmt`. ([#1967](https://github.com/taiki-e/install-action/pull/1967), thanks @rami3l)
 
 ## [2.85.14] - 2026-08-15
@@ -7294,7 +7296,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.85.14...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.86.0...HEAD
+[2.86.0]: https://github.com/taiki-e/install-action/compare/v2.85.14...v2.86.0
 [2.85.14]: https://github.com/taiki-e/install-action/compare/v2.85.13...v2.85.14
 [2.85.13]: https://github.com/taiki-e/install-action/compare/v2.85.12...v2.85.13
 [2.85.12]: https://github.com/taiki-e/install-action/compare/v2.85.11...v2.85.12