diff --git a/MANIFEST.in b/MANIFEST.in
index 5c4d1274b..8bee1e61f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -39,3 +39,5 @@ recursive-include Tests *.txt README
 recursive-include Tests *.lwfn *.pfa *.pfb
 recursive-include Tests *.xml *.designspace *.bin
 recursive-include Tests *.afm
+recursive-include Tests *.json
+recursive-include Tests *.ufoz