diff --git a/setup.py b/setup.py
index f20d6aa..dfc7223 100644
--- a/setup.py
+++ b/setup.py
@@ -9,4 +9,5 @@ setup(
     name="pygal",
     packages=find_packages(),
     tests_require=["pytest"],
+    package_data={'pygal': ['css/*']},
     install_requires=['lxml'])