diff --git a/.gitignore b/.gitignore
index 6cee59b..9b735f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+cmocean/_version.py
 cmocean/rgb/drafts/
 dist
 *.pyc
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..2f9f032
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,61 @@
+[build-system]
+build-backend = "setuptools.build_meta"
+requires = [
+  "setuptools>=42",
+  "setuptools_scm",
+  "wheel",
+]
+
+[project]
+name = "cmocean"
+description = "Colormaps for Oceanography"
+readme = "README.md"
+license = {file = "LICENSE.txt"}
+maintainers = [
+    {name = "Kristen Thyng", email = "kthyng@gmail.com"},
+]
+requires-python = ">=3.8"
+classifiers = [
+  "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",
+]
+dynamic = [
+  "dependencies",
+  "version",
+]
+[project.optional-dependencies]
+tests = [
+  "pytest",
+]
+plots = [
+  "colorspacious",
+  "viscm",
+]
+
+[project.urls]
+documentation = "https://matplotlib.org/cmocean/"
+homepage = "https://github.com/matplotlib/cmocean"
+repository = "https://github.com/matplotlib/cmocean"
+
+[tool.setuptools]
+packages = ["cmocean"]
+include-package-data = true
+
+[tool.setuptools.dynamic]
+dependencies = {file = ["requirements.txt"]}
+
+[tool.setuptools_scm]
+write_to = "cmocean/_version.py"
+write_to_template = "__version__ = '{version}'"
+tag_regex = "^(?P<prefix>v)?(?P<version>[^\\+]+)(?P<suffix>.*)?$"
+
+[tool.pytest.ini_options]
+filterwarnings = [
+    "error:::cmocean.*",
+    "ignore::UserWarning",
+    "ignore::RuntimeWarning",
+]
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 498ec14..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,2 +0,0 @@
-[metadata]
-license_file = LICENSE.txt
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 2bd7d75..0000000
--- a/setup.py
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/usr/bin/env python
-
-"""
-setup.py for cmocean
-
-"""
-import sys
-from setuptools import setup # to support "develop" mode
-from setuptools.command.test import test as TestCommand
-
-class PyTest(TestCommand):
-    def finalize_options(self):
-        TestCommand.finalize_options(self)
-        self.verbose = True
-
-    def run_tests(self):
-        import pytest
-        errno = pytest.main(self.test_args)
-        sys.exit(errno)
-
-extras_require={
-    'plots':  ["colorspacious", "viscm"],
-}
-# # in case I add more later
-# extras_require['complete'] = sorted(set(sum(extras_require.values(), [])))
-
-setup(
-    name = "cmocean",
-    version = "v4.0.3",
-    author = "Kristen Thyng",
-    author_email = "kthyng@gmail.com",
-    url = 'https://github.com/matplotlib/cmocean',
-    # download_url = 'https://github.com/matplotlib/cmocean/tarball/2.0',
-    description = ("Colormaps for Oceanography"),
-    long_description=open('README.md').read(),
-    long_description_content_type='text/markdown',
-    classifiers=[
-                 "Development Status :: 3 - Alpha",
-                 ],
-    package_data={
-        'cmocean': ['rgb/*.txt', 'rgb/inverted/*.txt'],
-    },
-    packages = ["cmocean"],
-    ext_package='cmocean',
-    keywords = ['colormaps', 'oceanography', 'plotting', 'visualization'],
-    setup_requires=['setuptools'],
-    install_requires=['matplotlib', 'numpy', 'packaging'],
-    tests_require=['pytest'],
-    python_requires=">=3.8",
-    extras_require=extras_require
-    )