diff --git a/setup.cfg b/setup.cfg
index c89e813bd5..089562b8e3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,9 +29,9 @@ classifiers =
     Programming Language :: Python :: Implementation :: CPython
 
 [options]
+packages = find_namespace:
 package_dir =
     = src
-packages = find:
 include_package_data = True
 python_requires = >=3.7
 install_requires =