diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4815426eca27e257a6f834061f9b0dac1e802360..d75780ad34191d1f61cf384ba4136474855e9ece 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
+----------
+
 `2.3`_ – 2021-12-15
 -------------------
 
diff --git a/pyproject.toml b/pyproject.toml
index bea5ebe6b5d67a5d80fb38548e397f0f5adce5a9..04375dc8d9cf6c24acdbe5ee3ac7b4544a17395c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "AlekSIS-Core"
-version = "2.3"
+version = "2.4.dev0"
 packages = [
     { include = "aleksis" }
 ]