diff --git a/MANIFEST.in b/MANIFEST.in
index a49c49cd396..6b7cbb59cd4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include LICENSE
+include LICENSE conftest.py
 recursive-include licenses *
 recursive-include doc *
 prune doc/_build