diff --git a/CHANGELOG.md b/CHANGELOG.md
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--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,9 @@
 # Changelog
 
-v2.0.x :
+v2.1.x : 
+- Added Kode Wilayah Indonesia (KodWilId) class
 
+v2.0.x :
 - Splitted terminology model
 - Added new migration database, and seeder
 - Expanded Practitioner GET Model