diff --git a/setup.py b/setup.py
index 527cb35..c80ba42 100644
--- a/setup.py
+++ b/setup.py
@@ -8,6 +8,7 @@ setup (name='tornado_gallery',
             'tornado',
             'pillow',
             'filemagic',
+            'cachefs',
         ],
         entry_points = {
             'console_scripts': [