diff --git a/tests/test_main.py b/tests/test_main.py
index 16367793..3c8103d8 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -323,6 +323,9 @@ def test_packages_distributions_neither_toplevel_nor_files(self):
         )
         packages_distributions()
 
+    import pytest
+
+    @pytest.mark.xfail(reason="442")
     def test_packages_distributions_all_module_types(self):
         """
         Test top-level modules detected on a package without 'top-level.txt'.