diff --git a/setup.cfg b/setup.cfg
index 2286ae4..85fc5d0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,7 +25,7 @@ classifiers =
 [options]
 package_dir =
     = src
-packages = find:
+packages = find_namespace:
 include_package_data = True
 python_requires = >=3.8
 install_requires =