diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5290ee1..595dc1cb 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]
 
+## [2.20.8] - 2023-10-18
+
 - Update `parse-changelog@latest` to 0.6.4.
 
 - Update `cargo-llvm-cov@latest` to 0.5.35.
@@ -1323,7 +1325,8 @@ Note: This release is considered a breaking change because installing on version
 
 Initial release
 
-[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.20.7...HEAD
+[Unreleased]: https://github.com/taiki-e/install-action/compare/v2.20.8...HEAD
+[2.20.8]: https://github.com/taiki-e/install-action/compare/v2.20.7...v2.20.8
 [2.20.7]: https://github.com/taiki-e/install-action/compare/v2.20.6...v2.20.7
 [2.20.6]: https://github.com/taiki-e/install-action/compare/v2.20.5...v2.20.6
 [2.20.5]: https://github.com/taiki-e/install-action/compare/v2.20.4...v2.20.5