diff --git a/CHANGELOG.md b/CHANGELOG.md
index 52ec81fbd..36c7cd821 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [0.23.0] - 2025-05-04
+
+### Added
+
+- Add ISO 27001 document header
+
 ### Changed
 
 - Enable HTML support in Markdown renderer