CHANGELOG.md in mad_flatter-3.0.4 vs CHANGELOG.md in mad_flatter-3.0.5

@@ -1,4 +1,15 @@
+### 3.0.5 [2023-12-27]
+
+Enhancements
+
+- Add github actions for testing and rubocop
+- Add ability to run rake tasks.
+
+Changes
+
+- Update ruby gems.
+
 ### 3.0.4 [2023-12-02]
 
 Changes
 
 - Update ruby gems.