diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ee585a..1b0d3ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,15 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [5.2.0] - ...
+
+### Changed
+
+- Exception messages have been corrected. Additional tests have been added.
+
+### Removed
+
+- Remove class Serialization to array trait.
 
 ## [5.1.0] - 2024-10-27