diff --git a/MANIFEST.in b/MANIFEST.in
index 5cd72988..dd4269ff 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,6 +2,7 @@ include LICENSE
 include README.rst
 include tasks.py
 include pyproject.toml
+include pytest.ini
 recursive-include invoke/completion *
 recursive-include sites *
 recursive-exclude sites/*/_build *