diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5887fc..e797b82 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 This update introduces some additional features & bug fixes
 
+### Changed
+ - All abstract classes are now enum classes
+
 ### Fixed
  - Set default log level to 'info' in Utilities. instead of using `null` due to deprecation error