diff --git a/src/deepsparse/utils/onnx.py b/src/deepsparse/utils/onnx.py
index 5ce98ce6a0..a73cddc24b 100644
--- a/src/deepsparse/utils/onnx.py
+++ b/src/deepsparse/utils/onnx.py
@@ -60,15 +60,16 @@ def save_onnx_to_temp_files(model: onnx.ModelProto, with_external_data=False) ->
     :param model: The onnx model to save to temporary directory
     :param with_external_data: Whether to save external data to a separate file
     """
-    shaped_model = tempfile.NamedTemporaryFile(mode="w", delete=False)
-    _LOGGER.info(f"Saving model to temporary directory: {tempfile.tempdir}")
+
+    shaped_model = tempfile.NamedTemporaryFile(suffix=".onnx", delete=False, mode="w")
+    _LOGGER.info(f"Saving model to temporary file: {shaped_model.name}")
 
     if with_external_data:
-        external_data = os.path.join(
-            tempfile.tempdir, next(tempfile._get_candidate_names())
+        external_data = tempfile.NamedTemporaryFile(
+            suffix=".data", delete=False, mode="w"
         )
-        has_external_data = save_onnx(model, shaped_model.name, external_data)
-        _LOGGER.info(f"Saving external data to temporary directory: {external_data}")
+        _LOGGER.info(f"Saving external data to temporary file: {external_data.name}")
+        has_external_data = save_onnx(model, shaped_model.name, external_data.name)
     else:
         has_external_data = save_onnx(model, shaped_model.name)
     try:
@@ -236,9 +237,13 @@ def override_onnx_batch_size(
         save_onnx(model, onnx_filepath)
         yield onnx_filepath
     else:
-        return save_onnx_to_temp_files(model, with_external_data=not inplace)
+        with save_onnx_to_temp_files(
+            model, with_external_data=not inplace
+        ) as temp_file:
+            yield temp_file
 
 
+@contextlib.contextmanager
 def override_onnx_input_shapes(
     onnx_filepath: str,
     input_shapes: Union[List[int], List[List[int]]],
@@ -300,16 +305,19 @@ def override_onnx_input_shapes(
 
     if inplace:
         _LOGGER.info(
-            "Overwriting in-place the input shapes of the model " f"at {onnx_filepath}"
+            f"Overwriting in-place the input shapes of the model at {onnx_filepath}"
         )
         onnx.save(model, onnx_filepath)
-        return onnx_filepath
+        yield onnx_filepath
     else:
         _LOGGER.info(
             f"Saving the input shapes of the model at {onnx_filepath} "
             f"to a temporary file"
         )
-        return save_onnx_to_temp_files(model, with_external_data=not inplace)
+        with save_onnx_to_temp_files(
+            model, with_external_data=not inplace
+        ) as temp_file:
+            yield temp_file
 
 
 def truncate_onnx_model(
diff --git a/tests/deepsparse/utils/__init__.py b/tests/deepsparse/utils/__init__.py
new file mode 100644
index 0000000000..0c44f887a4
--- /dev/null
+++ b/tests/deepsparse/utils/__init__.py
@@ -0,0 +1,13 @@
+# Copyright (c) 2021 - present / Neuralmagic, Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
diff --git a/tests/deepsparse/utils/onnx.py b/tests/deepsparse/utils/onnx.py
new file mode 100644
index 0000000000..34b95c9a47
--- /dev/null
+++ b/tests/deepsparse/utils/onnx.py
@@ -0,0 +1,71 @@
+# Copyright (c) 2021 - present / Neuralmagic, Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+import onnx
+
+import pytest
+from deepsparse.utils.onnx import override_onnx_batch_size, override_onnx_input_shapes
+from sparsezoo import Model
+
+
+@pytest.mark.parametrize(
+    "test_model, batch_size",
+    [
+        (
+            "zoo:cv/classification/mobilenet_v1-1.0/pytorch/sparseml/imagenet/base-none",  # noqa: E501
+            10,
+        )
+    ],
+    scope="function",
+)
+@pytest.mark.parametrize("inplace", [True, False], scope="function")
+def test_override_onnx_batch_size(test_model, batch_size, inplace):
+    onnx_file_path = Model(test_model).onnx_model.path
+    # Override the batch size of the ONNX model
+    with override_onnx_batch_size(
+        onnx_file_path, batch_size, inplace=inplace
+    ) as modified_model_path:
+        # Load the modified ONNX model
+        modified_model = onnx.load(modified_model_path)
+        assert (
+            modified_model.graph.input[0].type.tensor_type.shape.dim[0].dim_value
+            == batch_size
+        )
+
+
+@pytest.mark.parametrize(
+    "test_model, input_shapes",
+    [
+        (
+            "zoo:cv/classification/mobilenet_v1-1.0/pytorch/sparseml/imagenet/base-none",  # noqa: E501
+            [10, 224, 224, 3],
+        )
+    ],
+    scope="function",
+)
+@pytest.mark.parametrize("inplace", [True, False], scope="function")
+def test_override_onnx_input_shapes(test_model, input_shapes, inplace):
+    onnx_file_path = Model(test_model).onnx_model.path
+    # Override the batch size of the ONNX model
+    with override_onnx_input_shapes(
+        onnx_file_path, input_shapes, inplace=inplace
+    ) as modified_model_path:
+        # Load the modified ONNX model
+        modified_model = onnx.load(modified_model_path)
+        new_input_shapes = [
+            dim.dim_value
+            for dim in modified_model.graph.input[0].type.tensor_type.shape.dim
+        ]
+        assert new_input_shapes == input_shapes