diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..679ac56
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,44 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "py_clob_client"
+version = "0.34.6"
+description = "Python client for the Polymarket CLOB"
+readme = "README.md"
+requires-python = ">=3.9.10"
+license = { text = "MIT" }
+authors = [
+  { name = "Polymarket Engineering", email = "engineering@polymarket.com" }
+]
+maintainers = [
+  { name = "Polymarket Engineering", email = "engineering@polymarket.com" }
+]
+classifiers = [
+  "Programming Language :: Python :: 3",
+  "License :: OSI Approved :: MIT License",
+  "Operating System :: OS Independent",
+]
+dependencies = [
+  "eth-account>=0.13.0",
+  "eth-utils>=4.1.1",
+  "poly_eip712_structs>=0.0.1",
+  "py-order-utils>=0.3.2",
+  "python-dotenv",
+  "py-builder-signing-sdk>=0.0.2",
+  "httpx[http2]>=0.27.0",
+]
+
+[dependency-groups]
+dev = [
+    "black==24.4.2",
+    "pytest==8.2.2",
+]
+
+[project.urls]
+Homepage = "https://github.com/Polymarket/py-clob-client"
+"Bug Tracker" = "https://github.com/Polymarket/py-clob-client/issues"
+
+[tool.hatch.build.targets.wheel]
+packages = ["py_clob_client"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 9391851..0000000
--- a/setup.py
+++ /dev/null
@@ -1,36 +0,0 @@
-import setuptools
-
-with open("README.md", "r", encoding="utf-8") as fh:
-    long_description = fh.read()
-
-setuptools.setup(
-    name="py_clob_client",
-    version="0.34.6",
-    author="Polymarket Engineering",
-    author_email="engineering@polymarket.com",
-    maintainer="Polymarket Engineering",
-    maintainer_email="engineering@polymarket.com",
-    description="Python client for the Polymarket CLOB",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/Polymarket/py-clob-client",
-    install_requires=[
-        "eth-account>=0.13.0",
-        "eth-utils>=4.1.1",
-        "poly_eip712_structs>=0.0.1",
-        "py-order-utils>=0.3.2",
-        "python-dotenv",
-        "py-builder-signing-sdk>=0.0.2",
-        "httpx[http2]>=0.27.0",
-    ],
-    project_urls={
-        "Bug Tracker": "https://github.com/Polymarket/py-clob-client/issues",
-    },
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-    ],
-    packages=setuptools.find_packages(),
-    python_requires=">=3.9.10",
-)