diff --git a/charts/item-relationship-service/CHANGELOG.md b/charts/item-relationship-service/CHANGELOG.md
index 6b31eaa411..a445f38c60 100644
--- a/charts/item-relationship-service/CHANGELOG.md
+++ b/charts/item-relationship-service/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- Added configuration property `edc.submodel.suffix`.
+
 ## [7.1.3] - 2024-05-17
 
 ### Changed