diff --git a/MANIFEST.in b/MANIFEST.in
index fcaff1e..93b386f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,4 @@ include README.md
 include LICENSE
 include jsonobject/*.pyx
 include jsonobject/*.c
+recursive-include test *.py *.json