Update CHANGELOG.md

Author: usualoma

CHANGELOG.md

@@ -4,7 +4,11 @@ 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/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [2.5.1] - 2024-08-30
+
+### Security
+
+* Install cpan modules from https://www.cpan.org
 
 ### Added