diff --git a/CHANGELOG.md b/CHANGELOG.md
index 03a7868390523098ebe88c2d7758b6863085ee9a..cbdc98008960ef2fdce6402e404d52469cbead41 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,20 @@ 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
+
 ## [v0.5.0] - 2021-10-19
 
 ### Added
diff --git a/caosdb-webui b/caosdb-webui
index d29e9a020f67fc07f42d1a023883b697ef922a8e..8e5799db53b853b06a51a3bd250daeb9c779eee5 160000
--- a/caosdb-webui
+++ b/caosdb-webui
@@ -1 +1 @@
-Subproject commit d29e9a020f67fc07f42d1a023883b697ef922a8e
+Subproject commit 8e5799db53b853b06a51a3bd250daeb9c779eee5
diff --git a/pom.xml b/pom.xml
index 19a0ef7be51c4cef216d514bf999f11e46c64b81..2b11d4fd07fa82ffbb67460eea878b6451bfeb04 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,7 +25,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.caosdb</groupId>
   <artifactId>caosdb-server</artifactId>
-  <version>0.5.0</version>
+  <version>0.5.1-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>CaosDB Server</name>
   <properties>
diff --git a/src/doc/conf.py b/src/doc/conf.py
index 0027ef7af1b0c53157b30db86c12715ac58c6e27..604797f15d0585f3cc890f2d40e350caa960ed24 100644
--- a/src/doc/conf.py
+++ b/src/doc/conf.py
@@ -27,7 +27,7 @@ author = 'Daniel Hornung'
 # The short X.Y version
 version = '0.5'
 # The full version, including alpha/beta/rc tags
-release = '0.5.0'
+release = '0.5.1-SNAPSHOT'
 
 
 # -- General configuration ---------------------------------------------------