diff --git a/requirements.txt b/requirements.txt
index 1159ddd..52e25d6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
-requests==2.31.0
 backoff==2.2.1
-tqdm==4.66.1
+requests==2.31.0
+requests-toolbelt==1.0.0
+tqdm==4.66.1
\ No newline at end of file
diff --git a/setup.py b/setup.py
index db2f955..dc08019 100644
--- a/setup.py
+++ b/setup.py
@@ -34,6 +34,7 @@
         "requests>=2.25.1",
         "backoff>=2.2.1",
         "tqdm>=4.66.1",
+        "requests-toolbelt==1.0.0",
     ],
     classifiers=[
         "Intended Audience :: Developers",
diff --git a/videodb/_upload.py b/videodb/_upload.py
index 90f7b46..33212c6 100644
--- a/videodb/_upload.py
+++ b/videodb/_upload.py
@@ -2,7 +2,7 @@
 
 from typing import Optional
 from requests import HTTPError
-
+from requests_toolbelt.multipart.encoder import MultipartEncoder
 
 from videodb._constants import (
     ApiPath,
@@ -36,9 +36,12 @@ def upload(
             )
             upload_url = upload_url_data.get("upload_url")
             with open(file_path, "rb") as file:
-                files = {"file": (name, file)}
-                response = requests.post(upload_url, files=files)
-                response.raise_for_status()
+                encoder = MultipartEncoder(fields={"file": (name, file)})
+                headers = {"Content-Type": encoder.content_type}
+                with requests.post(
+                    upload_url, data=encoder, headers=headers
+                ) as response:
+                    response.raise_for_status()
                 url = upload_url
 
         except FileNotFoundError as e:
diff --git a/videodb/video.py b/videodb/video.py
index e006a39..2102d1f 100644
--- a/videodb/video.py
+++ b/videodb/video.py
@@ -329,6 +329,8 @@ def list_scene_index(self) -> List:
         return index_data.get("scene_indexes", [])
 
     def get_scene_index(self, scene_index_id: str) -> Optional[List]:
+        if not scene_index_id:
+            raise ValueError("scene_index_id is required")
         index_data = self._connection.get(
             path=f"{ApiPath.video}/{self.id}/{ApiPath.index}/{ApiPath.scene}/{scene_index_id}"
         )