diff --git a/CHANGELOG.md b/CHANGELOG.md
index b36a53a..5ff3bf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/orisai/reflection-meta/compare/...HEAD)
+## [Unreleased](https://github.com/orisai/reflection-meta/compare/1.0.0...HEAD)
 
-### Added
+## [1.0.0](https://github.com/orisai/reflection-meta/releases/tag/1.0.0) - 2023-07-07
+
+Initial release