diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..bc620d1
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  push:
+    branches: [develop, main, master]
+  pull_request:
+    branches: [develop, main, master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install "pokrok @ git+https://github.com/jdidion/pokrok.git@maintenance/modernize-packaging"
+          pip install -e ".[test]"
+      - name: Run tests
+        run: |
+          pytest -m "not perf" -vv --cov --cov-report term-missing tests
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..9ea0f97
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,68 @@
+[build-system]
+requires = ["setuptools>=64", "setuptools-scm>=8"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "xphyle"
+dynamic = ["version"]
+description = "Utilities for working with files."
+readme = {file = "README.md", content-type = "text/markdown"}
+license = {text = "MIT"}
+requires-python = ">=3.10"
+authors = [
+    {name = "John Didion", email = "github@didion.net"},
+]
+dependencies = [
+    "pokrok",
+]
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "Topic :: Software Development :: Libraries :: Python Modules",
+    "License :: OSI Approved :: MIT License",
+    "License :: Public Domain",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+
+[project.optional-dependencies]
+performance = ["lorem"]
+zstd = ["zstandard"]
+test = ["pytest", "pytest-cov"]
+
+[project.urls]
+Homepage = "https://github.com/jdidion/xphyle"
+
+[tool.setuptools]
+packages = ["xphyle"]
+
+[tool.setuptools_scm]
+
+[tool.pytest.ini_options]
+markers = [
+    "perf: marks performance tests",
+]
+
+[tool.coverage.run]
+omit = [
+    "tests/*",
+    "setup.py",
+    "*site-packages/*",
+]
+
+[tool.coverage.report]
+exclude_lines = [
+    "pragma: no cover",
+    "pragma: no-cover",
+    "def __repr__",
+    "raise NotImplementedError",
+    "if __name__ == .__main__.:",
+]
+
+[tool.ruff]
+target-version = "py310"
+
+[tool.ruff.lint]
+select = ["E", "F", "W"]
diff --git a/xphyle/__init__.py b/xphyle/__init__.py
index abe07a0..24f1062 100644
--- a/xphyle/__init__.py
+++ b/xphyle/__init__.py
@@ -31,7 +31,7 @@
     cast,
 )
 
-import pkg_resources
+from importlib.metadata import version, PackageNotFoundError
 
 from xphyle.formats import FORMATS, THREADS, CompressionFormat
 from xphyle.paths import (
@@ -65,8 +65,8 @@
 
 
 try:
-    __version__ = pkg_resources.get_distribution(__name__).version
-except pkg_resources.DistributionNotFound:
+    __version__ = version(__name__)
+except PackageNotFoundError:
     __version__ = "Unknown"