diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index d5f9ab654c82ceb8042933fcc9c92ecbf947e731..79daf229dae2bb80e3281ac9881363baf8c5fbe8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,9 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
+Unreleased
+----------
+
 `4.0`_ - 2025-03-29
 -------------------
 
diff --git a/docs/conf.py b/docs/conf.py
index d74c642d78fccb140865cd82fa1a75e7a0e6f05b..f7e0eb6c855fc3470740edfe5ba54b1b41bf76d8 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -29,9 +29,9 @@ copyright = "2019-2025 The AlekSIS team"
 author = "The AlekSIS Team"
 
 # The short X.Y version
-version = "4.0"
+version = "4.1"
 # The full version, including alpha/beta/rc tags
-release = "4.0.0"
+release = "4.1.0.dev0"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 1ccae609f1db4472e11f9c05d5ddcaba7b3bc7b3..b5608714da0c59f5ceadf334d6a2c3bb640ad86c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "AlekSIS-Core"
-version = "4.0.0"
+version = "4.1.0.dev0"
 packages = [
     { include = "aleksis" }
 ]