diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ab993e98c7c64dff36366feb52a18a4a665ad4a..8e2a819e8f17e9a222e4c93b2f8e952b6fa83fdf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Deprecated ###
 
+* In module `caosdb.apiutils`:
+  * `CaosDBPythonEntity` class
+  * `convert_to_entity` function
+  * `convert_to_python_object` function
+
 ### Removed ###
 
 ### Fixed ###