diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cbb2b6..d3d0f89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # CHANGELOG
 
+## v0.4.0 (2024-11-09)
+
+### Chores
+
+* Update python semantic release version and naming ([`fb72583`](https://github.com/swvanbuuren/mlpyqtgraph/commit/fb72583459761ee413289f1e077277d7a11383b2))
+
+* Make sure commit subjects start with a capital ([`5cc9249`](https://github.com/swvanbuuren/mlpyqtgraph/commit/5cc92491cff83d8a3302984f89071343c9bd7e5e))
+
+### Code Style
+
+* Improve readability of full plot example ([`7ff201a`](https://github.com/swvanbuuren/mlpyqtgraph/commit/7ff201ac631d4185a69b7ec144a09eb0f7672495))
+
+### Features
+
+* Add arctan2 example ([`513589a`](https://github.com/swvanbuuren/mlpyqtgraph/commit/513589a75ff32b44df9c36d5cb9e57f2ae64aeef))
 ## v0.3.1 (2024-11-08)
 
 ### Bug Fixes
diff --git a/mlpyqtgraph/__init__.py b/mlpyqtgraph/__init__.py
index 94ee485..15337d1 100644
--- a/mlpyqtgraph/__init__.py
+++ b/mlpyqtgraph/__init__.py
@@ -14,7 +14,7 @@
 from .ml_functions import *
 
 
-__version__ = '0.3.1'
+__version__ = '0.4.0'
 
 
 pqthreads_config.params.signal_slot_timeout = 10_000
diff --git a/pyproject.toml b/pyproject.toml
index 49af2e7..6377d09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "mlpyqtgraph"
-version = "0.3.1"
+version = "0.4.0"
 description = "Matplotlib like plotting with pyqtgraph in python"
 readme = "README.md"
 license = { file = "LICENSE" }