diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c709a42c..77e78619 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,23 +16,16 @@ jobs:
       run:
         shell: bash
     steps:
-      - uses: actions/checkout@master
+      - uses: actions/checkout@v3
       - name: Setup Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
-      - uses: actions/cache@v2
-        with:
-          path: ~/.cache/pip
-          key: pip-${{ hashFiles('**/requirements-dev.txt') }}
-          restore-keys: |
-            pip-${{ secrets.CACHE_VERSION }}-
-      - name: Install development dependencies
-        run: pip install -r requirements-dev.txt
-      - name: Install package & dependencies
-        run: pip install .
+          cache: "pip"
+      - name: Install dependencies
+        run: python -m pip install -r requirements.txt -r requirements-dev.txt .
       - name: Test
-        run: pytest
+        run: python -m pytest
 
   release:
     name: "Release"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..3376263a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,21 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "replicate"
+version = "0.7.0"
+description = "Python client for Replicate"
+readme = "README.md"
+license = { file = "LICENSE" }
+authors = [{ name = "Replicate, Inc." }]
+requires-python = ">=3.8"
+dependencies = ["packaging", "pydantic>1", "requests>2"]
+optional-dependencies = { dev = ["black", "pytest", "responses"] }
+
+[project.urls]
+homepage = "https://replicate.com"
+repository = "https://github.com/replicate/replicate-python"
+
+[tool.pytest.ini_options]
+testpaths = "tests/"
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 39baf331..00000000
--- a/pytest.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[pytest]
-testpaths = tests/
diff --git a/replicate/__about__.py b/replicate/__about__.py
index 49e0fc1e..5f3c0243 100644
--- a/replicate/__about__.py
+++ b/replicate/__about__.py
@@ -1 +1,3 @@
-__version__ = "0.7.0"
+from importlib.metadata import version
+
+__version__ = version(__package__)
diff --git a/replicate/__init__.py b/replicate/__init__.py
index 64f6aff6..0d35ad3b 100644
--- a/replicate/__init__.py
+++ b/replicate/__init__.py
@@ -1,4 +1,3 @@
-from .__about__ import __version__
 from .client import Client
 
 default_client = Client()
diff --git a/requirements-dev.txt b/requirements-dev.txt
index b3d9b4fa..f10b82a5 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,3 +1,53 @@
-packaging==21.3
-pytest==7.1.2
-responses==0.21.0
+#
+# This file is autogenerated by pip-compile with Python 3.11
+# by the following command:
+#
+#    pip-compile --extra=dev --output-file=requirements-dev.txt pyproject.toml
+#
+attrs==22.2.0
+    # via pytest
+black==23.3.0
+    # via replicate (pyproject.toml)
+certifi==2022.12.7
+    # via requests
+charset-normalizer==3.1.0
+    # via requests
+click==8.1.3
+    # via black
+idna==3.4
+    # via requests
+iniconfig==2.0.0
+    # via pytest
+mypy-extensions==1.0.0
+    # via black
+packaging==23.0
+    # via
+    #   black
+    #   pytest
+    #   replicate (pyproject.toml)
+pathspec==0.11.1
+    # via black
+platformdirs==3.2.0
+    # via black
+pluggy==1.0.0
+    # via pytest
+pydantic==1.10.7
+    # via replicate (pyproject.toml)
+pytest==7.2.2
+    # via replicate (pyproject.toml)
+pyyaml==6.0
+    # via responses
+requests==2.28.2
+    # via
+    #   replicate (pyproject.toml)
+    #   responses
+responses==0.23.1
+    # via replicate (pyproject.toml)
+types-pyyaml==6.0.12.9
+    # via responses
+typing-extensions==4.5.0
+    # via pydantic
+urllib3==1.26.15
+    # via
+    #   requests
+    #   responses
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..fad6e32b
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,22 @@
+#
+# This file is autogenerated by pip-compile with Python 3.11
+# by the following command:
+#
+#    pip-compile --output-file=requirements.txt pyproject.toml
+#
+certifi==2022.12.7
+    # via requests
+charset-normalizer==3.1.0
+    # via requests
+idna==3.4
+    # via requests
+packaging==23.0
+    # via replicate (pyproject.toml)
+pydantic==1.10.7
+    # via replicate (pyproject.toml)
+requests==2.28.2
+    # via replicate (pyproject.toml)
+typing-extensions==4.5.0
+    # via pydantic
+urllib3==1.26.15
+    # via requests
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 98794594..00000000
--- a/setup.py
+++ /dev/null
@@ -1,27 +0,0 @@
-# !/usr/bin/env python
-
-from pathlib import Path
-
-from setuptools import setup
-
-this_directory = Path(__file__).parent
-long_description = (this_directory / "README.md").read_text()
-
-# setup.py cannot safely import files, so read and exec to get the version
-__version__ = None
-exec(open("replicate/__about__.py").read())
-
-setup(
-    name="replicate",
-    packages=["replicate"],
-    version=__version__,
-    description="Python client for Replicate",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="Replicate, Inc.",
-    license="BSD",
-    url="https://github.com/replicate/replicate-python",
-    python_requires=">=3.8",
-    install_requires=["requests", "pydantic", "packaging"],
-    classifiers=[],
-)