CHANGELOG.md in ar-enum-0.4.0 vs CHANGELOG.md in ar-enum-0.5.0

@@ -9,9 +9,14 @@
 - [Removed] for now removed features.
 - [Fixed] for any bug fixes.
 - [Security] in case of vulnerabilities.
 -->
 
+## v0.5.0
+
+- [Fixed] Add version restriction to ActiveRecord >= 6.0 and < 7.0, as Rails 7
+  now supports Postgres enums out of the box.
+
 ## v0.4.0 - 2021-09-16
 
 - [Changed] Sort enums by name.
 - [Removed] Support for Rails 5.2