diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f253f06..8ad6ee4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,7 +33,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install pytest websocket-client
+          pip install -e '[.dev]'
       - name: Run unit tests
         run: pytest
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..fc482bc
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,47 @@
+[project]
+name = "zeek-client"
+dynamic = ["version"]
+description = "A CLI for Zeek's Management Framework"
+dependencies = [
+    "websocket-client>=1.8.0",
+]
+readme = "README.md"
+requires-python = ">= 3.8"
+license = {text = "3-clause BSD License"}
+
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Environment :: Console",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: POSIX :: Linux",
+    "Operating System :: MacOS :: MacOS X",
+    "Programming Language :: Python :: 3",
+    "Topic :: System :: Networking :: Monitoring",
+    "Topic :: Utilities",
+]
+
+keywords=[
+    "zeek",
+    "management",
+    "client",
+    "cluster",
+]
+
+[[project.maintainers]]
+name = "The Zeek Project"
+email = "info@zeek.org"
+
+[project.urls]
+Repository = "https://github.com/zeek/zeek-client"
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=8.1.1",
+]
+
+[build-system]
+requires = ["setuptools"]
+
+[tool.setuptools]
+packages = ["zeekclient"]
+script-files = ["zeek-client"]
diff --git a/setup.py b/setup.py
index 8618706..eee23cb 100644
--- a/setup.py
+++ b/setup.py
@@ -1,39 +1,11 @@
 from setuptools import setup
 
 
-def get_readme():
-    with open("README.md", encoding="utf-8") as readme:
-        return readme.read()
-
-
 def get_version():
     with open("VERSION", encoding="utf-8") as version:
         return version.read().replace("-", ".dev", 1).strip()
 
 
 setup(
-    name="zeek-client",
     version=get_version(),
-    description="A CLI for Zeek's Management Framework",
-    long_description=get_readme(),
-    long_description_content_type="text/markdown",
-    license="3-clause BSD License",
-    keywords="zeek management client cluster",
-    maintainer="The Zeek Project",
-    maintainer_email="info@zeek.org",
-    url="https://github.com/zeek/zeek-client",
-    scripts=["zeek-client"],
-    packages=["zeekclient"],
-    install_requires=["websocket-client"],
-    python_requires=">=3.7.0",
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Environment :: Console",
-        "License :: OSI Approved :: BSD License",
-        "Operating System :: POSIX :: Linux",
-        "Operating System :: MacOS :: MacOS X",
-        "Programming Language :: Python :: 3",
-        "Topic :: System :: Networking :: Monitoring",
-        "Topic :: Utilities",
-    ],
 )