diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index dad602e..490d986 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -26,10 +26,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Install Python dependencies
+
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v7
+
+      - name: Install dependencies
         run: |
-          pip install -r requirements.txt
-          pip install -e .
+          uv sync --dev
+          uv pip install .
 
       - name: Setup Pages
         id: pages
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 232f392..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,3 +0,0 @@
-include requirements.txt README.rst
-include LICENSE
-include CHANGES
diff --git a/pyproject.toml b/pyproject.toml
index 7547126..cd53eaf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,15 @@ classifiers = [
 Homepage = "https://github.com/markstory/sphinxcontrib-phpdomain"
 Documentation = "https://markstory.github.io/sphinxcontrib-phpdomain/"
 
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["sphinxcontrib*"]
+exclude = ["test*"]
+
 [dependency-groups]
 dev = [
     "build>=1.4.0",
diff --git a/sphinxcontrib/__init__.py b/sphinxcontrib/__init__.py
deleted file mode 100644
index a208188..0000000
--- a/sphinxcontrib/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-"""
-sphinxcontrib
-~~~~~~~~~~~~~
-
-This package is a namespace package that contains all extensions
-distributed in the ``sphinx-contrib`` distribution.
-
-:copyright: Copyright 2016-present by Mark Story and contributors.
-:copyright: Copyright 2007-2009 by the Sphinx team
-:license: BSD, see LICENSE for details.
-"""
-
-__import__("pkg_resources").declare_namespace(__name__)
diff --git a/uv.lock b/uv.lock
index d73d77c..3bf3ea7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -396,8 +396,8 @@ wheels = [
 
 [[package]]
 name = "sphinxcontrib-phpdomain"
-version = "0.15.0"
-source = { virtual = "." }
+version = "0.15.1"
+source = { editable = "." }
 dependencies = [
     { name = "sphinx" },
 ]