diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4fc79137da727a052f5f2d9ed2ac17cfded5aa20..d58e466b99296765d1b74fb19eb350e5e67b15ea 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,8 +6,8 @@ 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
-----------
+`4.0.0.dev0`_ - 2024-04-23
+--------------------------
 
 Notable, breaking changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -343,3 +343,4 @@ Fixed
 .. _2.1.1: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/2.1.1
 .. _3.0b0: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/3.0b0
 .. _3.0: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/3.0
+.. _4.0.0.dev0: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/4.0.0.dev0
diff --git a/docs/conf.py b/docs/conf.py
index b37b0f814f16734100037dfe13bc1d8a4e007456..b13eb0d33210fef5bab89a0c80b5dfe53e812c8a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -29,9 +29,9 @@ copyright = "2019-2022 The AlekSIS team"
 author = "The AlekSIS Team"
 
 # The short X.Y version
-version = "3.0"
+version = "4.0"
 # The full version, including alpha/beta/rc tags
-release = "3.0.1.dev0"
+release = "4.0.0.dev0"
 
 
 # -- General configuration ---------------------------------------------------