CHANGELOG.md in alba-3.1.0 vs CHANGELOG.md in alba-3.2.0

- old
+ new
@@ -1,11 +1,18 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [3.2.0] 2024-06-21
+
+### Added
+
+- Rails controller integration [#370](https://github.com/okuramasafumi/alba/pull/370)
+- Modification API: `transform_keys!` [#372](https://github.com/okuramasafumi/alba/pull/372)
 
 ## [3.1.0] 2024-03-23
 
 ### Added
 