diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 04e35f9..3660cca 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -21,12 +21,11 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install -r requirements.txt
-        pip install setuptools wheel twine
+        pip install --upgrade setuptools setuptools-scm wheel twine build
     - name: Build and publish
       env:
         TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
         TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
       run: |
-        python setup.py sdist bdist_wheel
+        python -m build -nwsx
         twine upload dist/*
diff --git a/.github/workflows/python-tests.yml b/.github/workflows/python-tests.yml
index d81ce43..977c2a2 100644
--- a/.github/workflows/python-tests.yml
+++ b/.github/workflows/python-tests.yml
@@ -19,8 +19,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install pycodestyle isort pylint yapf
-        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        pip install --upgrade pycodestyle isort pylint yapf pytest setuptools setuptools-scm wheel build
     - name: Check pycodestyle
       run: |
         pycodestyle --ignore E501,E402 --exclude=.git,dev3 sshpubkeys tests
@@ -29,7 +28,7 @@ jobs:
         pylint sshpubkeys tests
     - name: Run tests
       run: |
-        python3 setup.py test
+        pytest tests
     - name: Check formatting
       run: |
         isort --recursive sshpubkeys tests; yapf --recursive -i .
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..c266e04
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,41 @@
+[build-system]
+requires = ["setuptools>=61.2", "setuptools_scm[toml]>=3.4.3"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sshpubkeys"
+authors = [{name = "Olli Jarva", email = "olli@jarva.fi"}]
+license = {text = "BSD"}
+description = "SSH public key parser"
+keywords = ["ssh", "pubkey", "public", "key", "openssh", "ssh-rsa", "ssh-dss", "ssh-ed25519"]
+readme = "README.rst"
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Intended Audience :: System Administrators",
+    "Topic :: Security",
+    "License :: OSI Approved :: BSD License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+requires-python = ">=3"
+dependencies = ["cryptography>=2.5"]
+dynamic = ["version"]
+
+[project.urls]
+Homepage = "https://github.com/ojarva/python-sshpubkeys"
+
+[project.optional-dependencies]
+dev = ["twine", "wheel", "yapf"]
+
+[tool.setuptools]
+packages = ["sshpubkeys"]
+include-package-data = false
+
+[tool.setuptools_scm]
+
diff --git a/setup.cfg b/setup.cfg
index 3c6e79c..b28dd06 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,2 +1,34 @@
+[metadata]
+name = sshpubkeys
+author = Olli Jarva
+author_email = olli@jarva.fi
+license = BSD
+description = SSH public key parser
+keywords = ssh, pubkey, public, key, openssh, ssh-rsa, ssh-dss, ssh-ed25519
+url = https://github.com/ojarva/python-sshpubkeys
+long_description = file: README.rst
+classifiers =
+    Development Status :: 4 - Beta
+    Intended Audience :: Developers
+    Intended Audience :: System Administrators
+    Topic :: Security
+    License :: OSI Approved :: BSD License
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: Implementation :: PyPy
+
+[options]
+packages = sshpubkeys
+install_requires = cryptography>=2.5
+python_requires = >=3
+test_suite = tests
+
+[options.extras_require]
+dev = twine; wheel; yapf
+
 [bdist_wheel]
 universal=1
diff --git a/setup.py b/setup.py
deleted file mode 100644
index b899d48..0000000
--- a/setup.py
+++ /dev/null
@@ -1,41 +0,0 @@
-from setuptools import setup
-from codecs import open as codecs_open
-from os import path
-
-here = path.abspath(path.dirname(__file__))
-
-with codecs_open(path.join(here, 'README.rst'), encoding='utf-8') as f:
-    long_description = f.read()
-
-setup(
-    name='sshpubkeys',
-    version='3.3.1',
-    description='SSH public key parser',
-    long_description=long_description,
-    url='https://github.com/ojarva/python-sshpubkeys',
-    author='Olli Jarva',
-    author_email='olli@jarva.fi',
-    license='BSD',
-    classifiers=[
-        'Development Status :: 4 - Beta',
-        'Intended Audience :: Developers',
-        'Intended Audience :: System Administrators',
-        'Topic :: Security',
-        'License :: OSI Approved :: BSD License',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: 3.10',
-        'Programming Language :: Python :: Implementation :: PyPy',
-    ],
-    keywords='ssh pubkey public key openssh ssh-rsa ssh-dss ssh-ed25519',
-    packages=["sshpubkeys"],
-    test_suite="tests",
-    python_requires='>=3',
-    install_requires=['cryptography>=2.5'],
-    extras_require={
-        'dev': ['twine', 'wheel', 'yapf'],
-    },
-)