diff --git a/opencl_fdtd/LICENSE.md b/opencl_fdtd/LICENSE.md
new file mode 120000
index 0000000..7eabdb1
--- /dev/null
+++ b/opencl_fdtd/LICENSE.md
@@ -0,0 +1 @@
+../LICENSE.md
\ No newline at end of file
diff --git a/opencl_fdtd/README.md b/opencl_fdtd/README.md
new file mode 120000
index 0000000..32d46ee
--- /dev/null
+++ b/opencl_fdtd/README.md
@@ -0,0 +1 @@
+../README.md
\ No newline at end of file
diff --git a/opencl_fdtd/VERSION.py b/opencl_fdtd/VERSION.py
deleted file mode 100644
index 202c26a..0000000
--- a/opencl_fdtd/VERSION.py
+++ /dev/null
@@ -1,4 +0,0 @@
-""" VERSION defintion. THIS FILE IS MANUALLY PARSED BY setup.py and REQUIRES A SPECIFIC FORMAT """
-__version__ = '''
-0.4
-'''.strip()
diff --git a/opencl_fdtd/__init__.py b/opencl_fdtd/__init__.py
index 9bdf6e0..f6596ad 100644
--- a/opencl_fdtd/__init__.py
+++ b/opencl_fdtd/__init__.py
@@ -1,6 +1,5 @@
 from .simulation import Simulation, type_to_C
 
 __author__ = 'Jan Petykiewicz'
-
-from .VERSION import __version__
+__vesion__ = '0.4'
 version = __version__
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..91160b8
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,46 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "opencl_fdtd"
+description = "OpenCL FDTD solver"
+readme = "README.md"
+license = { file = "LICENSE.md" }
+authors = [
+    { name="Jan Petykiewicz", email="jan@mpxd.net" },
+    ]
+homepage = "https://mpxd.net/code/jan/opencl_fdtd"
+repository = "https://mpxd.net/code/jan/opencl_fdtd"
+keywords = [
+    "FDTD",
+    "finite",
+    "difference",
+    "time",
+    "domain",
+    "simulation",
+    "optics",
+    "electromagnetic",
+    "dielectric",
+    ]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Manufacturing",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: GNU Affero General Public License v3",
+    "Topic :: Scientific/Engineering",
+    ]
+requires-python = ">=3.8"
+dynamic = ["version"]
+dependencies = [
+    "numpy~=1.21",
+    "pyopencl",
+    "jinja2",
+    "meanas>=0.3",
+    ]
+
+[tool.hatch.version]
+path = "opencl_fdtd/__init__.py"
+
diff --git a/setup.py b/setup.py
deleted file mode 100644
index e2802e8..0000000
--- a/setup.py
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env python3
-
-from setuptools import setup, find_packages
-
-with open('README.md', 'r') as f:
-    long_description = f.read()
-
-with open('opencl_fdtd/VERSION.py', 'rt') as f:
-    version = f.readlines()[2].strip()
-
-setup(name='opencl_fdtd',
-      version=version,
-      description='OpenCL FDTD solver',
-      long_description=long_description,
-      long_description_content_type='text/markdown',
-      author='Jan Petykiewicz',
-      author_email='jan@mpxd.net',
-      url='https://mpxd.net/code/jan/opencl_fdtd',
-      packages=find_packages(),
-      package_data={
-          'opencl_fdfd': ['kernels/*']
-      },
-      install_requires=[
-            'numpy',
-            'pyopencl',
-            'jinja2',
-            'meanas>=0.3',
-      ],
-      extras_require={
-      },
-      )
-