diff --git a/CHANGELOG.md b/CHANGELOG.md
index 176fbcd..f3d34f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,9 @@
 # CHANGELOG
 
 ## unreleased
- 
+
+## 4.12.1
+
 * DRY-up Mongoid and ActiveRecord Persistence, Add Sequel transactions and locking #475, thanks to [@Aryk] (https://github.com/Aryk)
 * Add aliases for event methods #476, thanks to [@Aryk] (https://github.com/Aryk)
 * Support Minitest spec expectations (#387), thanks to [@faragorn] (https://github.com/faragorn)
diff --git a/lib/aasm/version.rb b/lib/aasm/version.rb
index ad013a2..323f43a 100644
--- a/lib/aasm/version.rb
+++ b/lib/aasm/version.rb
@@ -1,3 +1,3 @@
 module AASM
-  VERSION = "4.12.0"
+  VERSION = "4.12.1"
 end