diff --git a/MANIFEST.in b/MANIFEST.in
index 4e7488d8b..530eeb6f1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-recursive-include material *.js *.css *.html *.svg *.png *.yml
+recursive-include material *.js *.css *.map *.html *.svg *.png *.yml
 recursive-include material *.ttf *.woff *.woff2
 recursive-exclude site *
 recursive-exclude src *