diff --git a/MANIFEST.in b/MANIFEST.in
index af97cc803233a2802a1b62e86b2dbf39e931a9dd..6ebc17c7818efef1d1d828b0def01bd89779263e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,3 @@
 include README.rst
 include LICENSE.md
+recursive-include test *.py *.prior