diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fbf1483..1da0bbf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,18 +21,22 @@ jobs:
     name: Python ${{ matrix.python-version }} Tests
     steps:
       - uses: actions/checkout@v3
+
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
           architecture: x64
-      - name:  Python Tests
+
+      - name: Install project with dev dependencies
         run: |
-          conda create --quiet --name test pytest
-          export PATH="/usr/share/miniconda/bin:$PATH"
-          source activate test
-          pip install bandit black isort flake8
-          pip install .
+          python -m pip install --upgrade pip
+          pip install .[dev]
           npm install -g markdownlint-cli@0.33.0
+
+      - name: Run tests
+        run: |
           make test
-          scraper -h
+
+      - name: Show scraper help
+        run: scraper -h
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index e534d45..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1 +0,0 @@
-include requirements/*.txt
diff --git a/Makefile b/Makefile
index 5d7abcf..d0824f7 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ test:
 	pyflakes scraper
 
 release: test
-	python3 setup.py sdist bdist_wheel
+	python3 -m build .
 
 upload:
 	twine upload --skip-existing dist/*
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..a9803ef
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,59 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "llnl-scraper"
+version = "0.16.0"
+description = "Package for extracting software repository metadata"
+readme = "README.md"
+requires-python = ">=3.8"
+authors = [{ name = "Ian Lee", email = "lee1001@llnl.gov" }]
+license = { text = "MIT" }
+keywords = []
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+dependencies = [
+    "github3.py>=2.0.0",
+    "msrest>=0.6.4",
+    "python-dateutil>=2.7.3",
+    "python-gitlab>=1.6.0",
+    "pytz>=2017.3",
+    "requests>=2.16",
+    "setuptools>=24.2.0",
+    "stashy>=0.3",
+    "vsts>=0.1.25",
+]
+
+[project.urls]
+Homepage = "https://github.com/llnl/scraper"
+
+[project.scripts]
+scraper = "scraper.gen_code_gov_json:main"
+
+[project.optional-dependencies]
+dev = [
+    "ipython",
+    "twine",
+    "build",
+    "bandit",
+    "black",
+    "flake8",
+    "isort",
+    "pyflakes",
+    "safety",
+]
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index b0c3540..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
--r requirements/dev.txt
diff --git a/requirements/dev.txt b/requirements/dev.txt
deleted file mode 100644
index 5aff939..0000000
--- a/requirements/dev.txt
+++ /dev/null
@@ -1,13 +0,0 @@
--r production.txt
-
-# Development tools
-ipython
-twine
-
-# Testing tools
-bandit
-black
-flake8
-isort
-pyflakes
-safety
diff --git a/requirements/production.txt b/requirements/production.txt
deleted file mode 100644
index f462d59..0000000
--- a/requirements/production.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-github3.py>=2.0.0
-msrest>=0.6.4
-python-dateutil>=2.7.3
-python-gitlab>=1.6.0
-pytz>=2017.3
-requests>=2.16
-setuptools>=24.2.0
-stashy>=0.3
-vsts>=0.1.25
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 593d1b1..0000000
--- a/setup.py
+++ /dev/null
@@ -1,48 +0,0 @@
-#! /usr/bin/env python
-# -*- coding: utf-8 -*-
-
-from setuptools import find_packages, setup
-
-with open("README.md") as fh:
-    long_description = fh.read()
-
-with open("requirements/production.txt") as fp:
-    lines = [x.strip() for x in fp.readlines() if x]
-    install_reqs = [x for x in lines if not x.startswith("#")]
-
-setup(
-    name="llnl-scraper",
-    version="0.15.0",
-    description="Package for extracting software repository metadata",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="Ian Lee",
-    author_email="lee1001@llnl.gov",
-    url="https://github.com/llnl/scraper",
-    packages=find_packages(),
-    install_requires=install_reqs,
-    python_requires=">=3.6",
-    entry_points={
-        "console_scripts": [
-            "scraper = scraper.gen_code_gov_json:main",
-        ]
-    },
-    scripts=[
-        "scripts/codegov_compute_hours.py",
-    ],
-    classifiers=[
-        "Development Status :: 4 - Beta",
-        "Intended Audience :: Developers",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: Implementation :: CPython",
-        "Programming Language :: Python :: Implementation :: PyPy",
-    ],
-)