diff --git a/CHANGELOG.org b/CHANGELOG.org
index ec10dc0..aca6ae3 100644
--- a/CHANGELOG.org
+++ b/CHANGELOG.org
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [[https://keepachangelog.com/en/1.0.0/][Keep a Changelog]], and this project adheres to
 [[https://semver.org/spec/v2.0.0.html][Semantic Versioning]].
 
+* 2.2.1
+
 * 2.2.0
 
 Features
diff --git a/pom.xml b/pom.xml
index 962edf8..9ca26a7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
     </parent>
 
     <artifactId>mon</artifactId>
-    <version>2.2.0</version>
+    <version>2.2.1-SNAPSHOT</version>
 
     <name>Mon</name>
     <description>TypeAlias, Result and Maybe for Java</description>