CHANGELOG.md in attr_json-2.3.1 vs CHANGELOG.md in attr_json-2.4.0

@@ -29,10 +29,17 @@
 
 *
 
 *
 
-## [2.3.1](https://github.com/jrochkind/attr_json/compare/v2.3.0...2.3.1)
+## [2.3.1](https://github.com/jrochkind/attr_json/compare/v2.3.1...v2.4.0)
+
+### Added
+
+* Allow Rails 7.2 in gemspec (no code changes required to support) https://github.com/jrochkind/attr_json/pull/228
+
+
+## [2.3.1](https://github.com/jrochkind/attr_json/compare/v2.3.0...v2.3.1)
 
 ### Fixed
 
 * Keep nested model validation working in Rails post-7.1, by no longer trying to re-use ActiveRecord::Validations::AssociatedValidator, instead supplying our own custom code. https://github.com/jrochkind/attr_json/pull/220