diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4cbc42211..cb145bb14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Extended the _Storybook_ stories of the portfolio proportion chart component by a story using percentage values
+
 ## 2.220.0 - 2025-11-29
 
 ### Changed