diff --git a/test/second_q/mappers/test_bksf_mapper.py b/test/second_q/mappers/test_bksf_mapper.py
index 71aff36c4..a98355d80 100644
--- a/test/second_q/mappers/test_bksf_mapper.py
+++ b/test/second_q/mappers/test_bksf_mapper.py
@@ -100,7 +100,7 @@ def test_bksf_edge_op_aij(self):
     def test_h2(self):
         """Test H2 molecule"""
         with self.subTest("Excitation edges 1"):
-            assert np.alltrue(
+            assert np.all(
                 _bksf_edge_list_fermionic_op(
                     FermionicOp({"+_0 -_1 +_2 -_3": 1}, num_spin_orbitals=4),
                     4,
@@ -109,7 +109,7 @@ def test_h2(self):
             )
 
         with self.subTest("Excitation edges 2"):
-            assert np.alltrue(
+            assert np.all(
                 _bksf_edge_list_fermionic_op(
                     FermionicOp({"+_0 -_1 -_2 +_3": 1}, num_spin_orbitals=4),
                     4,