diff --git a/data_store/tests/test_pydicom.py b/data_store/tests/test_pydicom.py
index 315ad17..8084feb 100644
--- a/data_store/tests/test_pydicom.py
+++ b/data_store/tests/test_pydicom.py
@@ -18,7 +18,7 @@
 @pytest.mark.skipif(not HAVE_PYDICOM, reason="pydicom not installed")
 class TestPydicom:
     """Test the interface with pydicom works correctly."""
-    def setup(self):
+    def setup_method(self):
         self.data_path = Path(__file__).resolve().parent.parent / "data"
 
     def test_pydicom_local(self):
diff --git a/data_store/tests/test_utils.py b/data_store/tests/test_utils.py
index 0deea3c..b769e96 100644
--- a/data_store/tests/test_utils.py
+++ b/data_store/tests/test_utils.py
@@ -10,7 +10,7 @@
 
 class TestDataStore:
     """Test the interface for the data sources"""
-    def setup(self):
+    def setup_method(self):
         self.data_path = Path(__file__).resolve().parent.parent / "data"
         self.fname = "693_UNCI.dcm"