diff --git a/pyproject.toml b/pyproject.toml
index fa8b976..8e6cc9c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,51 @@ requires = [
 build-backend = "setuptools.build_meta"
 
 
+[project]
+name = "pytng"
+description = "Minimal Cython wrapper of the TNG trajectory library"
+readme = "README.rst"
+authors = [{name = "Max Linke, Richard J Gowers, Hugo MacDermott-Opeskin", email = "max_linke@gmx.de"}]
+maintainers = [{name = "MDAnalysis Core Developers", email = "mdanalysis@numfocus.org"}]
+license = {file = "LICENSE.txt"}
+classifiers = [
+    'Development Status :: 6 - Mature',
+    'Environment :: Console',
+    'Intended Audience :: Science/Research',
+    'License :: OSI Approved :: BSD License',
+    'Operating System :: POSIX',
+    'Operating System :: MacOS :: MacOS X',
+    'Operating System :: Microsoft :: Windows',
+    'Programming Language :: Python',
+    'Programming Language :: Python :: 3.9',
+    'Programming Language :: Python :: 3.10',
+    'Programming Language :: Python :: 3.11',
+    'Programming Language :: Python :: 3.12',
+    'Programming Language :: C',
+    'Topic :: Scientific/Engineering',
+    'Topic :: Scientific/Engineering :: Bio-Informatics',
+    'Topic :: Scientific/Engineering :: Chemistry',
+    'Topic :: Software Development :: Libraries :: Python Modules',
+]
+urls = {Homepage = "http://mdanalysis.org/pytng"}
+requires-python = ">= 3.9"
+dependencies = [
+    "numpy>1.22.3",
+]
+dynamic = ["version"]
+
+
+[project.optional-dependencies]
+test = [
+    "pytest",
+    "pytest-cov",
+]
+docs = [
+    "sphinx",
+    "sphinx-rtd-theme",
+    "sphinx-sitemap",
+]
+
 [tool.versioningit]
 default-version = "1+unknown"
 
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 9bc5841..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-[options]
-setup_requires =
-    numpy>=1.20.0
-    cython>=0.28,<3.0
-install_requires =
-    numpy>=1.20.0
diff --git a/setup.py b/setup.py
index 49867a0..3bed823 100644
--- a/setup.py
+++ b/setup.py
@@ -62,6 +62,7 @@ def extensions():
 setup(
     name="pytng",
     python_requires=">=3.9",
+    install_requires=['numpy>=1.22.3'],
     description='Minimal Cython wrapper of the TNG trajectory library',
     long_description=long_description,
     long_description_content_type='text/x-rst',