CHANGELOG.md in mad_flatter-3.0.5 vs CHANGELOG.md in mad_flatter-3.0.6

@@ -1,4 +1,10 @@
+### 3.0.6 [2024-01-18]
+
+Changes
+
+- Update ruby gems.
+
 ### 3.0.5 [2023-12-27]
 
 Enhancements
 
 - Add github actions for testing and rubocop