diff --git a/setup.cfg.org b/setup.cfg
index f9dd790..0cd700e 100644
--- a/setup.cfg.orig
+++ b/setup.cfg
@@ -26,6 +26,13 @@ packages = find_namespace:
 # include_package_data = true
 python_requires = >=3.7
 install_requires =
+	platformdirs
+	jaraco.text
+	more-itertools
+	ordered-set
+	packaging
+	tomli
+	validate-pyproject
 
 [options.packages.find]
 exclude =
