diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17966cc..4c2ce03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
 
+## 0.4.0 - 2023-12-31
+
 ### Added
 
 - Python 3.12 and 3.13 support - [#70](https://github.com/kieran-ryan/pyprojectsort/pull/70)
diff --git a/pyprojectsort/__version__.py b/pyprojectsort/__version__.py
index ef4d549..acfa7df 100644
--- a/pyprojectsort/__version__.py
+++ b/pyprojectsort/__version__.py
@@ -6,7 +6,7 @@
 from __future__ import annotations
 
 MAJOR = 0
-MINOR = 3
+MINOR = 4
 MICRO = 0
 
 __version__ = f"{MAJOR}.{MINOR}.{MICRO}"