diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa2bb82c..588840de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,19 @@
 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).
 
+## v12.1.0 5th January 2024
+
+### Fixed
+
+- Fixed autoloading the VERSION constants
+- Fixed Ensuring inheritance issues with STI tabled
+- Enabled gaplock protection when using trilogy mysql adapter
+
+### Added
+
+- Added Ruby 3.3 to build matrix
+- Added optional initial transition
+
 ## v12.0.0 30th November 2023
 
 ### Added
diff --git a/lib/statesman/version.rb b/lib/statesman/version.rb
index 45813dcd..61cd55c1 100644
--- a/lib/statesman/version.rb
+++ b/lib/statesman/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Statesman
-  VERSION = "12.0.0"
+  VERSION = "12.1.0"
 end