diff --git a/setup.py b/setup.py
index 240fc290..3ee0fd5d 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
 
     url='https://github.com/pyvista/pyvistaqt',
     keywords='vtk numpy plotting mesh qt',
-    python_requires='>=3.7.*',
+    python_requires='>=3.7',
     install_requires=[
         'pyvista>=0.32.0',
         'QtPy>=1.9.0',
diff --git a/tests/test_plotting.py b/tests/test_plotting.py
index 35fccc50..5059f53c 100644
--- a/tests/test_plotting.py
+++ b/tests/test_plotting.py
@@ -553,6 +553,9 @@ def test_background_plotter_export_vtkjs(qtbot, tmpdir, show_plotter, plotting):
     assert os.path.isfile(filename + '.vtkjs')
 
 
+# vtkWeakReference and vtkFloatArray, only sometimes -- usually PySide2
+# but also sometimes macOS
+@pytest.mark.allow_bad_gc
 def test_background_plotting_orbit(qtbot, plotting):
     plotter = BackgroundPlotter(off_screen=False, title='Testing Window')
     plotter.add_mesh(pyvista.Sphere())