diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ae53f9..15bb38e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,9 @@ All notable changes to this project are 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).
 
-## [2.3.1] - 2020-08-20
+## [3.0] - 2020-08-20
 ### Changed
+- BREAKING: Renamed internal class `UniqueSluggifier` to `UniqueSlugify`
 - Minor comment fixes and make arguments optional in service constructors
 - (dev) Added `*.cache` to gitignore (mostly for PHPUnit)
 - (dev) Made compatible with PHPUnit v9 and updated `phpunit.xml.dist` schema