diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1fab72ed234c2e94fac2ded0a0a7be6e11fca03..1dd84c29c69c5d00f0564652b0a8fd6ce6044f5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed ###
 
 - It is possible now to supply a password for caosdb_admin on the command line and also activate the user directly using "-c".
+* Entity.add_property and Entity.add_parent do not accept `**kwargs`-style
+  keywords anymore. Formerly known keywords have been refactored into named
+  parameters.
 
 ### Deprecated ###