diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddd0bbe315d34debb7ec2010ec683b4ccd746638..e7ddf3bbf91d94cc80c54fafedd762b13c8f1f6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,22 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased] ##
+
+### Added ###
+
+### Changed ###
+
+### Deprecated ###
+
+### Removed ###
+
+### Fixed ###
+
+### Security ###
+
+### Documentation ###
+
 ## [0.12.0] - 2025-03-25 ##
 
 ### Changed ###
diff --git a/setup.cfg b/setup.cfg
index f7c6df7b49a2d3870daf8473f67e9913df2ab8c5..772bd23e5dacc25eddb6c90063ba8e8a8328e910 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = caoscrawler
-version = 0.12.0
+version = 0.12.1
 author = Alexander Schlemmer
 author_email = alexander.schlemmer@ds.mpg.de
 description = A new crawler for LinkAhead
diff --git a/src/doc/conf.py b/src/doc/conf.py
index 85de34ab531cd7c4ebe2a566a98447d4c8ab1bba..0255b4c02a44ffb3e775560ff6ad85881f197ec1 100644
--- a/src/doc/conf.py
+++ b/src/doc/conf.py
@@ -33,10 +33,10 @@ copyright = '2024, IndiScale'
 author = 'Alexander Schlemmer'
 
 # The short X.Y version
-version = '0.12.0'
+version = '0.12.1'
 # The full version, including alpha/beta/rc tags
 # release = '0.5.2-rc2'
-release = '0.12.0'
+release = '0.12.1-dev'
 
 
 # -- General configuration ---------------------------------------------------