diff --git a/certbot/MANIFEST.in b/certbot/MANIFEST.in
index 819babe58..3b743ee1b 100644
--- a/certbot/MANIFEST.in
+++ b/certbot/MANIFEST.in
@@ -4,4 +4,5 @@ include LICENSE.txt
 recursive-include docs *
 recursive-include examples *
 recursive-include certbot/tests/testdata *
+recursive-include tests *.py
 include certbot/ssl-dhparams.pem