diff --git a/MANIFEST.in b/MANIFEST.in
index 8ffc194..edf65f3 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -5,3 +5,7 @@ recursive-exclude docs *.pyo
 prune docs/_build
 prune docs/_themes/.git
 recursive-include sigal/themes *
+prune sigal/themes/.sass-cache
+prune sigal/themes/colorbox/static/css/.sass-cache
+prune sigal/themes/galleria/static/css/.sass-cache
+recursive-include tests/sample *