diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7ef2857..9b466c1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,6 +10,11 @@ repos:
   - id: end-of-file-fixer
   - id: trailing-whitespace
   - id: mixed-line-ending
+- repo: https://github.com/asottile/pyupgrade
+  rev: v3.15.0
+  hooks:
+  - id: pyupgrade
+    args: [--py311-plus]
 - repo: https://github.com/astral-sh/ruff-pre-commit
   rev: v0.2.1
   hooks:
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..fabd0c5
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,3 @@
+include *.rst
+include *.yaml
+include tox.ini
diff --git a/README.md b/README.md
deleted file mode 100644
index c43b9e0..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# pre-commit-check-chameleon
-Check for syntax and accessibility misuse in Chameleon templates.
diff --git a/README.rst b/README.rst
new file mode 100644
index 0000000..c2577d9
--- /dev/null
+++ b/README.rst
@@ -0,0 +1,11 @@
+pre-commit-check-chameleon
+==========================
+
+Purpose: Check for syntax and accessibility misuse in Chameleon templates.
+
+Usage in ``.pre-commit-config.yaml``::
+
+    - repo: https://github.com/minddistrict/pre-commit-check-chameleon
+      rev: 1.0
+      hooks:
+      - id: check-chameleon
diff --git a/setup.py b/setup.py
index 8670757..feb96ce 100644
--- a/setup.py
+++ b/setup.py
@@ -3,13 +3,44 @@
 
 version = "1.0.dev0"
 
+
+def read(fname):
+    with open(fname) as f:
+        return f.read()
+
+
 setup(
     name="pre-commit-check-chameleon",
     version=version,
+    description="Check Chameleon templates",
+    long_description="\n\n".join([read("README.rst"), read("CHANGES.rst")]),
+    project_urls={
+        "Changelog": "https://github.com/minddistrict/pre-commit-check-chameleon/blob/master/CHANGES.rst",
+        "Issue Tracker": "https://github.com/minddistrict/pre-commit-check-chameleon/issues",
+        "Sources": "https://github.com/minddistrict/pre-commit-check-chameleon",
+    },
+    classifiers=[
+        "Development Status :: 5 - Production/Stable",
+        "Environment :: Console",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: MIT License",
+        "Natural Language :: English",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: Implementation :: CPython",
+        "Topic :: Software Development :: Testing",
+        "Topic :: Text Processing :: Markup :: HTML",
+        "Topic :: Utilities",
+    ],
+    keywords="pre-commit chameleon",
+    author="Minddistrict",
+    author_email="support@minddistrict.com",
     package_dir={"": "src"},
     packages=find_packages("src"),
     include_package_data=True,
     zip_safe=False,
+    python_requires=">=3.11",
     install_requires=[
         "lxml",
     ],