diff --git a/tests/test_rubiks_cube.py b/tests/test_rubiks_cube.py
index f615d700..3f5f39f9 100644
--- a/tests/test_rubiks_cube.py
+++ b/tests/test_rubiks_cube.py
@@ -31,6 +31,7 @@ def test_rubikscube_items():
     config = RubiksCubeConfig(
         cube_size=3,
         scramble_steps=4,
+        seed=42,
         size=100,
     )
     dataset = RubiksCubeDataset(config)