diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c4c560f..80b70ccd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,16 @@
 
 All notable changes to this project will be documented in this file.
 
-Since version unreleased the format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+Since version v2407.1 the format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 This project (not yet) adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## unreleased
+## v2407.1
+
+### Added
+
+- add a CHANGELOG.md file and changelog folder
+
+### Fixed
+
+- replace deprecate WebGL1Render with WebGLRender
+- adjust lightning value to new lightning system in Three