diff --git a/MANIFEST.in b/MANIFEST.in
index dd15c3a..4c2fefc 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,5 @@ include *.md
 include COPYING
 include voluptuous/tests/*.py
 include voluptuous/tests/*.md
+include pytest.ini
+include tox.ini