diff --git a/extraction/__init__.py b/extraction/__init__.py
index ed88b55..a7dd483 100644
--- a/extraction/__init__.py
+++ b/extraction/__init__.py
@@ -8,6 +8,8 @@
     >>> resp = extr.extract(html)
     >>> print resp
 """
+__version__ = "0.2.1"
+
 try:
     import urlparse
 except ImportError:
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..fb94f79
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,44 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "extraction"
+dynamic = ["version"]
+description = "Extract basic info from HTML webpages."
+readme = "README.rst"
+requires-python = ">= 3.9"
+dependencies = [
+    "beautifulsoup4 >= 4.1.3",
+    "html5lib",
+]
+authors = [
+    { name = "Will Larson", email = "lethain@gmail.com" }
+]
+license = "MIT"
+license-files = ["LICENSE.txt"]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Operating System :: OS Independent",
+    "Topic :: Software Development :: Libraries",
+    "Topic :: Utilities",
+    "Environment :: Web Environment",
+]
+
+[tool.setuptools]
+packages = ["extraction"]
+
+[tool.setuptools.dynamic]
+version = { attr = "extraction.__version__" }
+
+[tool.coverage.run]
+omit = ["docs"]
+
+[tool.isort]
+line_length = 119
+default_section = "THIRDPARTY"
+import_headings = { firstparty = "our stuff" }