diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index c28ab72..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,2 +0,0 @@
-include README.md
-include LICENSE.md
diff --git a/gridlock/LICENSE.md b/gridlock/LICENSE.md
new file mode 120000
index 0000000..7eabdb1
--- /dev/null
+++ b/gridlock/LICENSE.md
@@ -0,0 +1 @@
+../LICENSE.md
\ No newline at end of file
diff --git a/gridlock/README.md b/gridlock/README.md
new file mode 120000
index 0000000..32d46ee
--- /dev/null
+++ b/gridlock/README.md
@@ -0,0 +1 @@
+../README.md
\ No newline at end of file
diff --git a/gridlock/VERSION.py b/gridlock/VERSION.py
deleted file mode 100644
index 8e6abf6..0000000
--- a/gridlock/VERSION.py
+++ /dev/null
@@ -1,4 +0,0 @@
-""" VERSION defintion. THIS FILE IS MANUALLY PARSED BY setup.py and REQUIRES A SPECIFIC FORMAT """
-__version__ = '''
-1.0
-'''.strip()
diff --git a/gridlock/__init__.py b/gridlock/__init__.py
index d547794..591ad12 100644
--- a/gridlock/__init__.py
+++ b/gridlock/__init__.py
@@ -19,6 +19,5 @@ from .error import GridError
 from .grid import Grid
 
 __author__ = 'Jan Petykiewicz'
-
-from .VERSION import __version__
+__version__ = '1.0'
 version = __version__
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..e9ac6be
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,55 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "gridlock"
+description = "Coupled gridding library"
+readme = "README.md"
+license = { file = "LICENSE.md" }
+authors = [
+    { name="Jan Petykiewicz", email="jan@mpxd.net" },
+    ]
+homepage = "https://mpxd.net/code/jan/gridlock"
+repository = "https://mpxd.net/code/jan/gridlock"
+keywords = [
+    "FDTD",
+    "gridding",
+    "simulation",
+    "nonuniform",
+    "FDFD",
+    "finite",
+    "difference",
+    ]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: GNU Affero General Public License v3",
+    "Topic :: Multimedia :: Graphics :: 3D Rendering",
+    "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
+    "Topic :: Scientific/Engineering :: Physics",
+    "Topic :: Scientific/Engineering :: Visualization",
+    ]
+requires-python = ">=3.8"
+include = [
+    "LICENSE.md"
+    ]
+dynamic = ["version"]
+dependencies = [
+    "numpy~=1.21",
+    "float_raster",
+    ]
+
+
+[tool.hatch.version]
+path = "gridlock/__init__.py"
+
+[project.optional-dependencies]
+visualization = ["matplotlib"]
+visualization-isosurface = [
+    "matplotlib",
+    "skimage>=0.13",
+    "mpl_toolkits",
+    ]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index a424b97..0000000
--- a/setup.py
+++ /dev/null
@@ -1,47 +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('gridlock/VERSION.py', 'rt') as f:
-    version = f.readlines()[2].strip()
-
-setup(name='gridlock',
-      version=version,
-      description='Coupled gridding library',
-      long_description=long_description,
-      long_description_content_type='text/markdown',
-      author='Jan Petykiewicz',
-      author_email='jan@mpxd.net',
-      url='https://mpxd.net/code/jan/gridlock',
-      packages=find_packages(),
-      package_data={
-          'gridlock': ['py.typed'],
-      },
-      install_requires=[
-            'numpy',
-            'float_raster',
-      ],
-      extras_require={
-          'visualization': ['matplotlib'],
-          'visualization-isosurface': [
-                'matplotlib',
-                'skimage>=0.13',
-                'mpl_toolkits',
-          ],
-      },
-      classifiers=[
-            'Programming Language :: Python :: 3',
-            'Development Status :: 4 - Beta',
-            'Intended Audience :: Developers',
-            'Intended Audience :: Science/Research',
-            'License :: OSI Approved :: GNU Affero General Public License v3',
-            'Topic :: Multimedia :: Graphics :: 3D Rendering',
-            'Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)',
-            'Topic :: Scientific/Engineering :: Physics',
-            'Topic :: Scientific/Engineering :: Visualization',
-      ],
-      )
-