diff --git a/CMakeLists.txt b/CMakeLists.txt
index 51f80e9066a803f0b711e2536a600f88087a77bc..c4444c6668a0389a73e049f1d4491c4ec6f46923 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@
 
 cmake_minimum_required(VERSION 3.13)
 
-set(libcaosdb_VERSION 0.2.2)
+set(libcaosdb_VERSION 0.3.0)
 set(libcaosdb_COMPATIBLE_SERVER_VERSION_MAJOR 0)
 set(libcaosdb_COMPATIBLE_SERVER_VERSION_MINOR 9)
 set(libcaosdb_COMPATIBLE_SERVER_VERSION_PATCH 0)
diff --git a/conanfile.py b/conanfile.py
index e86f49da94e88aba9cee145e45c1045230d24bc5..906ba04e9b3920f3d5d13d6bc568b0dd7c67696b 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -3,7 +3,7 @@ from conans import ConanFile, CMake, tools
 
 class CaosdbConan(ConanFile):
     name = "caosdb"
-    version = "0.2.2"
+    version = "0.3.0-dev"
     license = "AGPL-3.0-or-later"
     author = "Timm C. Fitschen <t.fitschen@indiscale.com>"
     url = "https://gitlab.indiscale.com/caosdb/src/caosdb-cpplib.git"
diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index aba1ff29bbaa11f977598baf4b588b9686790212..1cb818f807fd3aabfab56934b3619c17a68f0aec 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -5,6 +5,24 @@ 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] - YYYY-MM-DD ##
+(*Maintainer*)
+
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+### Documentation
+
+
 ## [0.2.2] - 2023-06-15 ##
 (Timm Fitschen)