diff --git a/requirements/pypi-optional-test.txt b/requirements/pypi-optional-test.txt
index 88fc1f43..e351833d 100644
--- a/requirements/pypi-optional-test.txt
+++ b/requirements/pypi-optional-test.txt
@@ -5,3 +5,5 @@ pytest-cov
 pytest-mock
 pytest-pyvista
 pytest-xvfb
+pandas
+fastparquet