diff --git a/.github/workflows/build-test.yaml b/.github/workflows/build-test.yaml
index 6c7b9df..79055f2 100644
--- a/.github/workflows/build-test.yaml
+++ b/.github/workflows/build-test.yaml
@@ -21,10 +21,9 @@ jobs:
         sudo apt-get install libopenblas-dev
         python -m pip install --upgrade pip
         python -m pip install scipy==1.8.0
-        python -m pip install -r requirements_dev.txt
     - name: Setup pyVBRc
       run: |
-        python -m pip install -e .
+        python -m pip install -e .[dev]
     - name: Run Tests
       run: pytest --cov=./ --cov-report=xml:coverage/coverage.xml -v pyVBRc/
     # https://github.com/marketplace/actions/codecov#example-workflowyml-with-codecov-action
diff --git a/.github/workflows/pypi-release.yaml b/.github/workflows/pypi-release.yaml
index 29a4cc2..8d2b5af 100644
--- a/.github/workflows/pypi-release.yaml
+++ b/.github/workflows/pypi-release.yaml
@@ -21,7 +21,7 @@ jobs:
           python -m pip install --upgrade pip
           python -m pip install -U setuptools setuptools_scm wheel twine
     - name: Build and check source tarball
-      run: python setup.py sdist bdist_wheel
+      run: python _old_setup_py.txt sdist bdist_wheel
     - name: Twine check
       run: twine check dist/*
     - name: Publish distribution to PyPI
diff --git a/MANIFEST.in b/MANIFEST.in
index 0126f57..81dc02e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -10,9 +10,10 @@ include *.txt
 include Makefile
 
 recursive-include * *.m
+recursive-include pyVBRc *.mat
+recursive-include pyVBRc *.py
 recursive-exclude * __pycache__
 recursive-exclude * *.py[co]
-recursive-exclude * *.mat
 recursive-exclude examples *.mat
 recursive-exclude examples *.png
 include examples *.ipynb
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1e11d41
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,46 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pyVBRc"
+version = "0.1.1"
+authors = [
+  { name="Chris Havlin", email="chris.havlin@gmail.com" },
+]
+description="python utilities for working with the VBRc"
+readme = "README.md"
+requires-python = ">=3.9"
+classifiers=[
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: MIT License",
+    "Natural Language :: English",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+]
+dependencies=["numpy",
+              "scipy",
+              "matplotlib",
+              "packaging",
+              "unyt",
+ ]
+
+[tool.setuptools]
+packages = ["pyVBRc"]
+
+[project.urls]
+"Homepage" = "https://github.com/vbr-calc/pyVBRc"
+"Bug Tracker" = "https://github.com/vbr-calc/pyVBRc/issues"
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=3",
+    "pytest-cov",
+    "pre-commit",
+]
+lint = [
+    "black==22.8.0",
+    "isort==5.12.0",
+    "flake8==6.0.0"
+]
diff --git a/release_history.md b/release_history.md
index 080c74e..cc401ea 100644
--- a/release_history.md
+++ b/release_history.md
@@ -1,3 +1,9 @@
+# v0.1.2
+
+maintenance release
+* full switch to pyproject
+* docs improvements
+
 # v0.1.1
 
 Initial release of pyVBRc, still experimental
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 0de0154..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-numpy
-scipy
-matplotlib
-packaging
-unyt
diff --git a/requirements_dev.txt b/requirements_dev.txt
deleted file mode 100644
index fae8ee6..0000000
--- a/requirements_dev.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-pip>=21.1
-wheel==0.33.6
-twine==1.14.0
-pytest
-pytest-cov
diff --git a/requirements_style.txt b/requirements_style.txt
deleted file mode 100644
index ced1c74..0000000
--- a/requirements_style.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-pre-commit
-black==22.8.0
-isort==5.12.0
-flake8==6.0.0
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index b8a1655..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[bdist_wheel]
-universal = 1
-
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 947b615..0000000
--- a/setup.py
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/usr/bin/env python
-
-"""The setup script."""
-
-from setuptools import find_packages, setup
-
-with open("README.md") as readme_file:
-    readme = readme_file.read()
-
-with open("requirements.txt") as reqs_file:
-    requirements = [line.strip() for line in reqs_file.readlines()]
-
-test_requirements = [
-    "pytest>=3",
-]
-
-setup(
-    author="Chris Havlin",
-    author_email="chris.havlin@gmail.com",
-    python_requires=">=3.9",
-    classifiers=[
-        "Development Status :: 2 - Pre-Alpha",
-        "Intended Audience :: Science/Research",
-        "License :: OSI Approved :: MIT License",
-        "Natural Language :: English",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-    ],
-    description="python utilities for working with the VBRc",
-    entry_points={
-        "console_scripts": [
-            "pyVBRc=pyVBRc.cli:main",
-        ],
-    },
-    install_requires=requirements,
-    license="MIT license",
-    long_description=readme,
-    long_description_content_type="text/markdown",
-    include_package_data=True,
-    package_data={"": ["sample_data/*.mat"]},
-    keywords="pyVBRc",
-    name="pyVBRc",
-    packages=find_packages(include=["pyVBRc", "pyVBRc.*"]),
-    test_suite="tests",
-    tests_require=test_requirements,
-    url="https://github.com/vbr-calc/pyVBRc",
-    version="0.1.1",
-)