diff --git a/MANIFEST.in b/MANIFEST.in
index 50d095b..49b91df 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -13,4 +13,4 @@ prune docs/docs
 
 exclude docs/.nojekyll
 
-global-exclude *.pyc
+global-exclude *.pyc *.png