diff --git a/tests/test_cuquantum_cutensor_backend.py b/tests/test_cuquantum_cutensor_backend.py
index 9c989a3..07bb337 100644
--- a/tests/test_cuquantum_cutensor_backend.py
+++ b/tests/test_cuquantum_cutensor_backend.py
@@ -22,7 +22,7 @@ def time(func):
     time = end - start
     return time, res
 
-
+@pytest.mark.gpu
 @pytest.mark.parametrize("nqubits", [1, 2, 5, 10])
 def test_eval(nqubits: int):
     import qibotn.cutn