diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d21001..bc8ff87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,9 +7,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.0] - 2023-12-26
+
+### Changed
+
+- updated to `dither` v2.4.0
+- updated to `gopy` v0.4.8
+- updated to `image` v0.14.0
+
+### Fixed
+
+- `simple_parsing` not being in project configuration dependencies
+
 ## [0.3.0] - 2023-09-09
 
 ### Added
+
 - `MatrixUtils` helper class with `generate_matrices_list()` method
 - Docstrings for `ErrorDiffusers` and `OrderedDitherers` dataclass fields
 
@@ -20,12 +33,15 @@ Nothing has changed, this is just a PyPI release.
 ## [0.2.0] - 2023-09-04
 
 ### Added
+
 - New `test_color` unit test
 
 ### Changed
+
 - From now accept RGBA color channel lists and hex color codes as a input parameter to `create_palette` wrapper function
 
 ### Removed
+
 - `RGBA` wrapper function, as `create_palette` automatically converts input to `color.RGBA` Golang objects
 
 ## [0.1.0] - 2023-08-20
diff --git a/dither_go/__init__.py b/dither_go/__init__.py
index 1411278..c2bf9ba 100644
--- a/dither_go/__init__.py
+++ b/dither_go/__init__.py
@@ -1,7 +1,7 @@
 # Copyright 2023, tfuxu <https://github.com/tfuxu>
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"
 
 from .wrapper import *
 from .matrices import *
diff --git a/pyproject.toml b/pyproject.toml
index a41f0b0..d2109b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "dither-go"
-version = "0.3.0"
+version = "0.4.0"
 authors = [{name = "tfuxu"}]
 description = "A fast and the most correct image dithering library"
 keywords = ["golang", "bindings", "dithering", "processing"]