diff --git a/python/setup.py b/python/setup.py
index 95b47e4..a0392a0 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -10,5 +10,8 @@ setup(
 	license='GPLv3',
 	py_modules=['amunpy'],
 	install_requires=['h5py', 'numpy'],
-	extra_require=['scipy', 'xxhash']
+	extras_require={
+		"digest": ['xxhash'],
+		"interpolation": ['scipy'],
+	}
 )