diff --git a/.github/workflows/build_and_deploy.yml b/.github/workflows/build_and_deploy.yml
index 1739aaf..c8f50d3 100644
--- a/.github/workflows/build_and_deploy.yml
+++ b/.github/workflows/build_and_deploy.yml
@@ -42,7 +42,7 @@ jobs:
       url: https://pypi.org/p/tadasets
     permissions:
       id-token: write
-    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+    if: startsWith(github.ref, 'refs/tags/v')
     steps:
       - uses: actions/download-artifact@v4
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..d0c553a
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,17 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.2.1] - 2024-03-17
+
+### Changed
+
+- Updated doc build procedures. The `eyeglasses` dataset is now present in the docs.
+- Updated CI/CD procedures and automation to PyPI.
+
+### Added
+
+- This changelog!
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..6658516
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,54 @@
+[build-system]
+requires = ["setuptools >= 61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "tadasets"
+dynamic = ["version"]
+description = "Great data sets for Topological Data Analysis."
+readme = "README.md"
+authors = [
+  { name = "Nathaniel Saul", email = "nat@riverasaul.com" },
+  { name = "Chris Tralie", email = "chris.tralie@gmail.com" },
+  { name = "Filip Cornell", email = "c.filip.cornell@gmail.com" },
+  { name = "Michael Catanzaro", email = "catanzaromj@pm.me" },
+]
+maintainers = [
+  { name = "Nathaniel Saul", email = "nat@riverasaul.com" },
+  { name = "Chris Tralie", email = "chris.tralie@gmail.com" },
+  { name = "Michael Catanzaro", email = "catanzaromj@pm.me" },
+]
+
+dependencies = ["matplotlib", "numpy"]
+
+classifiers = [
+  "Development Status :: 3 - Alpha",
+  "Intended Audience :: Science/Research",
+  "Intended Audience :: Education",
+  "Intended Audience :: Financial and Insurance Industry",
+  "Intended Audience :: Healthcare Industry",
+  "Topic :: Scientific/Engineering :: Information Analysis",
+  "Topic :: Scientific/Engineering :: Mathematics",
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python",
+]
+
+
+keywords = [
+  "topological data analysis",
+  "data sets",
+  "test data",
+  "algebraic topology",
+]
+
+[project.optional-dependencies]
+testing = ["pytest", "pytest-cov", "scipy"]
+
+docs = ["sktda_docs_config"]
+
+[project.urls]
+Homepage = "https://tadasets.scikit-tda.org"
+Documentation = "https://tadasets.scikit-tda.org"
+Repository = "https://github.com/scikit-tda/tadasets"
+Issues = "https://github.com/scikit-tda/tadasets/issues"
+Changelog = "https://github.com/scikit-tda/persim/blob/master/RELEASE.txt"
diff --git a/setup.py b/setup.py
index 61f0d72..a283eb0 100644
--- a/setup.py
+++ b/setup.py
@@ -1,55 +1,16 @@
-#!/usr/bin/env python
-
-from setuptools import setup
-
-
+import setuptools
 import re
 
-VERSIONFILE = "tadasets/_version.py"
-verstrline = open(VERSIONFILE, "rt").read()
-VSRE = r"^__version__ = ['\"]([^'\"]*)['\"]"
-mo = re.search(VSRE, verstrline, re.M)
-if mo:
-    verstr = mo.group(1)
-else:
-    raise RuntimeError("Unable to find version string in %s." % (VERSIONFILE,))
 
+def get_version():
+    VERSIONFILE = "tadasets/_version.py"
+    verstrline = open(VERSIONFILE, "rt").read()
+    VSRE = r"^__version__ = ['\"]([^'\"]*)['\"]"
+    mo = re.search(VSRE, verstrline, re.M)
+    if mo:
+        return mo.group(1)
+    else:
+        raise RuntimeError("Unable to find version string in %s." % (VERSIONFILE,))
 
-with open("README.md") as f:
-    long_description = f.read()
 
-setup(
-    name="tadasets",
-    version=verstr,
-    description="Great data sets for Topological Data Analysis.",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    author="Nathaniel Saul",
-    author_email="nathaniel.saul@wsu.edu",
-    url="https://tadasets.scikit-tda.org",
-    license="MIT",
-    packages=["tadasets"],
-    include_package_data=True,
-    extras_require={  # use `pip install -e ".[testing]"``
-        "testing": ["pytest", "scipy"],
-        "docs": ["sktda_docs_config"],  # `pip install -e ".[docs]"``
-    },
-    install_requires=["numpy", "matplotlib"],
-    python_requires=">=2.7,!=3.1,!=3.2,!=3.3",
-    classifiers=[
-        "Development Status :: 3 - Alpha",
-        "Intended Audience :: Science/Research",
-        "Intended Audience :: Education",
-        "Intended Audience :: Financial and Insurance Industry",
-        "Intended Audience :: Healthcare Industry",
-        "Topic :: Scientific/Engineering :: Information Analysis",
-        "Topic :: Scientific/Engineering :: Mathematics",
-        "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python :: 2.7",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.4",
-        "Programming Language :: Python :: 3.5",
-        "Programming Language :: Python :: 3.6",
-    ],
-    keywords="topological data analysis, data sets, test data",
-)
+setuptools.setup(version=get_version())
diff --git a/tadasets/_version.py b/tadasets/_version.py
index d3ec452..3ced358 100644
--- a/tadasets/_version.py
+++ b/tadasets/_version.py
@@ -1 +1 @@
-__version__ = "0.2.0"
+__version__ = "0.2.1"