diff --git a/py-polars/tests/unit/operations/map/test_map_batches.py b/py-polars/tests/unit/operations/map/test_map_batches.py
index c3240ba4fb7b..774fe02742a7 100644
--- a/py-polars/tests/unit/operations/map/test_map_batches.py
+++ b/py-polars/tests/unit/operations/map/test_map_batches.py
@@ -40,7 +40,7 @@ def test_error_on_reducing_map() -> None:
             r"the input length \(6\); consider using `apply` instead"
         ),
     ):
-        df.group_by("id").agg(pl.map_batches(["t", "y"], np.trapz))
+        df.group_by("id").agg(pl.map_batches(["t", "y"], np.trapezoid))
 
     df = pl.DataFrame({"x": [1, 2, 3, 4], "group": [1, 2, 1, 2]})
 
diff --git a/py-polars/tests/unit/operations/map/test_map_groups.py b/py-polars/tests/unit/operations/map/test_map_groups.py
index f41046978953..0792c0ab21da 100644
--- a/py-polars/tests/unit/operations/map/test_map_groups.py
+++ b/py-polars/tests/unit/operations/map/test_map_groups.py
@@ -140,7 +140,7 @@ def test_map_groups_numpy_output_3057() -> None:
     )
 
     result = df.group_by("id", maintain_order=True).agg(
-        pl.map_groups(["y", "t"], lambda lst: np.trapz(y=lst[0], x=lst[1])).alias(
+        pl.map_groups(["y", "t"], lambda lst: np.trapezoid(y=lst[0], x=lst[1])).alias(
             "result"
         )
     )
diff --git a/py-polars/tests/unit/test_errors.py b/py-polars/tests/unit/test_errors.py
index 98b280d838a2..1efd420fdd15 100644
--- a/py-polars/tests/unit/test_errors.py
+++ b/py-polars/tests/unit/test_errors.py
@@ -35,7 +35,7 @@ def test_error_on_reducing_map() -> None:
             r"the input length \(6\); consider using `apply` instead"
         ),
     ):
-        df.group_by("id").agg(pl.map_batches(["t", "y"], np.trapz))
+        df.group_by("id").agg(pl.map_batches(["t", "y"], np.trapezoid))
 
     df = pl.DataFrame({"x": [1, 2, 3, 4], "group": [1, 2, 1, 2]})
     with pytest.raises(