diff --git a/src/datumaro/version.py b/src/datumaro/version.py
index 24487e4b2d..daa13ee8e9 100644
--- a/src/datumaro/version.py
+++ b/src/datumaro/version.py
@@ -1 +1 @@
-__version__ = "1.5.0rc1"
+__version__ = "1.5.0rc2"
diff --git a/tests/unit/components/test_transformer.py b/tests/unit/components/test_transformer.py
index 400800e180..197e6b317a 100644
--- a/tests/unit/components/test_transformer.py
+++ b/tests/unit/components/test_transformer.py
@@ -25,6 +25,7 @@ def postprocess(self, pred: ModelPred, info: PrepInfo) -> List[Annotation]:
         return pred
 
 
+@pytest.mark.new
 class ModelTransformTest:
     @pytest.fixture
     def fxt_dataset(self):
diff --git a/tests/unit/test_util.py b/tests/unit/test_util.py
index e0bc8d9966..fce7688e7d 100644
--- a/tests/unit/test_util.py
+++ b/tests/unit/test_util.py
@@ -246,6 +246,7 @@ def test_get_datumaro_cache_dir(
             assert len(caplog.records) == 1
 
 
+@pytest.mark.new
 class MultiProcUtilTest:
     @pytest.fixture
     def fxt_producer_generator(self):
diff --git a/tests/unit/transforms/test_sam_transforms.py b/tests/unit/transforms/test_sam_transforms.py
index 0a3f93a215..a4556de9ed 100644
--- a/tests/unit/transforms/test_sam_transforms.py
+++ b/tests/unit/transforms/test_sam_transforms.py
@@ -127,6 +127,7 @@ def fxt_inference_server_type(self, request):
     def fxt_to_polygon(self, request):
         return request.param
 
+    @pytest.mark.new
     @pytest.mark.parametrize("num_workers", [0, 2])
     def test_transform(self, fxt_dataset, fxt_inference_server_type, fxt_to_polygon, num_workers):
         if fxt_inference_server_type == InferenceServerType.ovms: