diff --git a/pyproject.toml b/pyproject.toml
index 427d8f8..c33a351 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,6 +79,9 @@ omit = ["ubermag/tests/*"]
 profile = "black"
 skip_gitignore = true  # ignores files listed in .gitignore
 
+[tool.setuptools.packages.find]
+include = ["ubermag*"]
+
 # to define additional information we use a custom table
 # see: https://www.python.org/dev/peps/pep-0518/#tool-table
 [tool.ubermag]
diff --git a/setup.cfg b/setup.cfg
index a21188f..9613901 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,7 +1,3 @@
-[options]
-packages = find:
-include_package_data = True
-
 [flake8]
 exclude =
   .git,