diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6301c4f7..3b140a5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ 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](https://github.com/quartiq/miniconf/compare/v0.6.2...HEAD)
+
+* `Array` and `Option` are `repr(transparent)`
+
 ## [0.6.2](https://github.com/quartiq/miniconf/compare/v0.6.1...v0.6.2) - 2022-11-09
 
 * Renaming and reorganization of the the derive macro