diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index e83d150..7bcfac9 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,12 +4,17 @@ build:
   os: "ubuntu-20.04"
   tools:
     python: "3.8"
+  jobs:
+    post_create_environment:
+      - python -m pip install sphinx_rtd_theme
 
 sphinx:
   fail_on_warning: true
+  configuration: docs/conf.py
 
 python:
   # Install our python package before building the docs
   install:
     - method: pip
-      path: .
\ No newline at end of file
+      path: .
+
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..b8aaecb
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,32 @@
+[project]
+name = "kyupy"
+version = "0.0.5"
+authors = [
+  { name="Stefan Holst", email="mail@s-holst.de" },
+]
+description = 'High-performance processing and analysis of non-hierarchical VLSI designs'
+readme = "README.rst"
+requires_python = ">=3.8"
+dependencies = [
+    "numpy>=1.17.0",
+    "lark-parser>=0.8.0",
+]
+classifiers = [
+        "Development Status :: 3 - Alpha",
+        "Environment :: GPU :: NVIDIA CUDA",
+        "Intended Audience :: Science/Research",
+        "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3",
+]
+license = "MIT"
+license-files = ["LICENSE.txt"]
+
+[project.urls]
+homepage = "https://github.com/s-holst/kyupy"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 1a2ac2d..0000000
--- a/setup.py
+++ /dev/null
@@ -1,40 +0,0 @@
-from setuptools import setup, find_packages
-
-with open('README.rst', 'r') as f:
-    long_description = f.read()
-
-setup(
-    name='kyupy',
-    version='0.0.5',
-    description='High-performance processing and analysis of non-hierarchical VLSI designs',
-    long_description=long_description,
-    long_description_content_type='text/x-rst',
-    packages=find_packages(where='src'),
-    package_dir={'': 'src'},
-    url='https://github.com/s-holst/kyupy',
-    author='Stefan Holst',
-    author_email='mail@s-holst.de',
-    python_requires='>=3.8',
-    install_requires=[
-        'numpy>=1.17.0',
-        'lark-parser>=0.8.0'
-    ],
-    extras_requires={
-        'dev': [
-            'pytest>=6.1',
-        ],
-    },
-    classifiers=[
-        'Development Status :: 3 - Alpha',
-        'Environment :: GPU :: NVIDIA CUDA',
-        'Intended Audience :: Science/Research',
-        'Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)',
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3 :: Only',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-    ],
-)