diff --git a/CHANGELOG.md b/CHANGELOG.md
index 264fe6f7c427835ebe76b1b6358f3d4c28c8ee4c..0249e8c377d88bb4a699a98624210ff566127bec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [Unreleased]
 
 ### Added
+
+- Add more general visitor `GenericMapPythonVisitor` for map types ([#504](https://github.com/stack-of-tasks/eigenpy/pull/504)), test `boost::unordered_map<std::string, int>`
 - Add type_info helpers ([#502](https://github.com/stack-of-tasks/eigenpy/pull/502))
 
+### Changed
+
+- Move `StdMapPythonVisitor` out of `eigenpy::python` namespace, which was a mistake ([#504](https://github.com/stack-of-tasks/eigenpy/pull/504))
+
 ## [3.9.0] - 2024-08-31
 
 ### Changed