diff --git a/.gitignore b/.gitignore
index ec58103..32a38c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+/trieregex/version.py
+
 __pycache__/
 .cache/
 .pytest_cache/
@@ -7,4 +9,4 @@ __pycache__/
 build/
 dist/
 htmlcov/
-.coverage
\ No newline at end of file
+.coverage
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..60383db
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,39 @@
+[build-system]
+build-backend = "setuptools.build_meta"
+requires = ["setuptools>=61.2", "setuptools_scm[toml]>=3.4.3", "wheel"]
+
+[project]
+name = "trieregex"
+description = "Build trie-based regular expressions from large word lists"
+readme = "README.md"
+keywords = ["pattern", "regex", "regular expressions", "trie"]
+license = {text = "MIT"}
+authors = [{name = "Herman Leung", email = "leung.hm@gmail.com"}]
+requires-python = ">=3.6"
+dependencies = []
+dynamic = ["version"]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.6",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+]
+urls = {Homepage = "https://github.com/ermanh/trieregex"}
+
+[project.optional-dependencies]
+testing = ["pytest"]
+
+[tool.setuptools]
+include-package-data = false
+
+[tool.setuptools.packages.find]
+exclude = ["tests"]
+namespaces = false
+
+[tool.setuptools_scm]
+write_to = "trieregex/version.py"
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 10f13c5..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,4 +0,0 @@
-[metadata]
-license_files = LICENSE.txt
-long_description = file: README.md
-long_description_content_type = text/markdown
\ No newline at end of file
diff --git a/setup.py b/setup.py
deleted file mode 100644
index f5c9027..0000000
--- a/setup.py
+++ /dev/null
@@ -1,38 +0,0 @@
-from os import path
-from setuptools import setup, find_packages
-
-from trieregex import __version__
-
-
-this_directory = path.abspath(path.dirname(__file__))
-with open(path.join(this_directory, 'README.md'), 'r') as f:
-    readme = f.read()
-
-setup(
-    name='trieregex',
-    version=__version__,
-    description='Build trie-based regular expressions from large word lists',
-    long_description=readme,
-    author='Herman Leung',
-    author_email='leung.hm@gmail.com',
-    url='https://github.com/ermanh/trieregex',
-    packages=find_packages(exclude='tests'),
-    python_requires='>=3.6',
-    install_requires=[],
-    extras_require={
-        'testing': ['pytest']
-    },
-    classifiers=[
-        'Development Status :: 5 - Production/Stable',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: MIT License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-    ],
-    keywords=['regular expressions', 'regex', 'pattern', 'trie'],
-    license='MIT',
-)
diff --git a/trieregex/__init__.py b/trieregex/__init__.py
index e5e7ebe..4d5c5e1 100644
--- a/trieregex/__init__.py
+++ b/trieregex/__init__.py
@@ -1,3 +1,3 @@
-__version__ = "1.0.0"
+from .version import version as __version__
 
 from .trieregex import TrieRegEx