diff --git a/MANIFEST.in b/MANIFEST.in
index a86d40d8..36a99646 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
 include LICENSE.md
+recursive-include assets *
 recursive-include nw/assets *
 recursive-include sample *.nwx *.nwd