diff --git a/tests/test_structure.py b/tests/test_structure.py
index 296d84c5..c8c4ece1 100644
--- a/tests/test_structure.py
+++ b/tests/test_structure.py
@@ -362,6 +362,7 @@ def test_singletons(daa, L4, tmp_path):
     )
 
 
+@pytest.mark.xfail(reason="upstream awkward dtype mismatch")
 @pytest.mark.parametrize("ascending", [True, False])
 def test_argsort(daa, caa, ascending):
     assert_eq(
@@ -378,6 +379,7 @@ def test_argsort(daa, caa, ascending):
     )
 
 
+@pytest.mark.xfail(reason="upstream awkward dtype mismatch")
 @pytest.mark.parametrize("ascending", [True, False])
 def test_sort(daa, caa, ascending):
     assert_eq(