diff --git a/CHANGELOG.md b/CHANGELOG.md
index c498b9286e0977295066340a2a4172093ac10bfe..fca47bcc3859fed5391a6a80dfa829add92827e9 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 ###
+
 ## [0.4.0] - 2023-03-22 ##
 (Florian Spreckelsen)
 
diff --git a/setup.cfg b/setup.cfg
index fbdd9d7119312e2831c77fe3e8b24bd16b5826b4..81ed897770552e389f70efe4e166dcacba232c95 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = caoscrawler
-version = 0.4.0
+version = 0.4.1
 author = Alexander Schlemmer
 author_email = alexander.schlemmer@ds.mpg.de
 description = A new crawler for caosdb
diff --git a/src/doc/conf.py b/src/doc/conf.py
index 7719a920328c46b4453cd59413b939fcf2d45f5a..110b37d6d6d8d6b57d38850a6f62589d5710879f 100644
--- a/src/doc/conf.py
+++ b/src/doc/conf.py
@@ -33,10 +33,10 @@ copyright = '2021, MPIDS'
 author = 'Alexander Schlemmer'
 
 # The short X.Y version
-version = '0.4.0'
+version = '0.4.1'
 # The full version, including alpha/beta/rc tags
 # release = '0.5.2-rc2'
-release = '0.4.0'
+release = '0.4.1-dev'
 
 
 # -- General configuration ---------------------------------------------------