diff --git a/pyproject.toml b/pyproject.toml
index fcfe5cf..a9aa58d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -73,3 +73,10 @@ directory = "parts/htmlcov"
 [tool.setuptools.dynamic]
 readme = {file = ["README.rst", "CHANGES.rst"]}
 
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.setuptools.package-data]
+"*" = ["*.txt", "*.xml", "*.zcml", "*.conf", "*.dtml"]
+
+
diff --git a/setup.py b/setup.py
index 3a960de..57ff410 100644
--- a/setup.py
+++ b/setup.py
@@ -12,8 +12,13 @@
 #
 ##############################################################################
 
+from setuptools import find_packages
 from setuptools import setup
 
 
 # See pyproject.toml for package metadata
-setup()
+setup(
+    packages=find_packages('src'),
+    package_dir={'': 'src'},
+    namespace_packages=['Shared', 'Shared.DC'],
+)
diff --git a/src/Products/__init__.py b/src/Products/__init__.py
new file mode 100644
index 0000000..c75c90d
--- /dev/null
+++ b/src/Products/__init__.py
@@ -0,0 +1,13 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+__import__('pkg_resources').declare_namespace(__name__)
diff --git a/src/Shared/DC/__init__.py b/src/Shared/DC/__init__.py
new file mode 100644
index 0000000..c75c90d
--- /dev/null
+++ b/src/Shared/DC/__init__.py
@@ -0,0 +1,13 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+__import__('pkg_resources').declare_namespace(__name__)
diff --git a/src/Shared/__init__.py b/src/Shared/__init__.py
new file mode 100644
index 0000000..c75c90d
--- /dev/null
+++ b/src/Shared/__init__.py
@@ -0,0 +1,13 @@
+##############################################################################
+#
+# Copyright (c) 2002 Zope Foundation and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+__import__('pkg_resources').declare_namespace(__name__)