CHANGELOG.md in puppet-check-2.2.1 vs CHANGELOG.md in puppet-check-2.2.2

@@ -1,4 +1,7 @@
+### 2.2.2
+- Workaround Ruby passbyref issue mutating an immutable.
+
 ### 2.2.1
 - Improved output formatting for all formats.
 - Update and improve Rake task interfacing.
 
 ### 2.2.0