diff --git a/src/app/services/cache_updater.py b/src/app/services/cache_updater.py
index 9699b4b..f07aa87 100644
--- a/src/app/services/cache_updater.py
+++ b/src/app/services/cache_updater.py
@@ -1,8 +1,7 @@
 import collections
 from datetime import date, timedelta
 from io import BytesIO
-from tempfile import SpooledTemporaryFile
-from typing import Optional, cast
+from typing import Optional
 
 from fastapi import UploadFile
 
@@ -81,6 +80,7 @@ async def cache_file(book: Book, file_type: str) -> Optional[CachedFile]:
         object_id=book.id, object_type=file_type
     ).exists():
         return
+
     try:
         data = await download(book.source.id, book.remote_id, file_type)
     except httpx.HTTPError:
@@ -95,14 +95,14 @@ async def cache_file(book: Book, file_type: str) -> Optional[CachedFile]:
     temp_file = UploadFile(BytesIO(), filename=filename)
     async for chunk in response.aiter_bytes(2048):
         await temp_file.write(chunk)
+
+    file_size = temp_file.file.tell()
     await temp_file.seek(0)
 
     await response.aclose()
     await client.aclose()
 
-    upload_data = await upload_file(
-        cast(SpooledTemporaryFile, temp_file.file), filename, caption
-    )
+    upload_data = await upload_file(temp_file.file, file_size, filename, caption)
 
     if upload_data is None:
         return None
diff --git a/src/app/services/files_client.py b/src/app/services/files_client.py
index 61ef702..33dcefd 100644
--- a/src/app/services/files_client.py
+++ b/src/app/services/files_client.py
@@ -1,27 +1,29 @@
-from datetime import datetime
-from tempfile import SpooledTemporaryFile
-from typing import Optional
+from typing import BinaryIO, Optional
 
 import httpx
 from pydantic import BaseModel
+from typing_extensions import TypedDict
 
 from core.config import env_config
 
 
+class Data(TypedDict):
+    chat_id: str | int
+    message_id: int
+
+
 class UploadedFile(BaseModel):
-    id: int
     backend: str
-    data: dict
-    upload_time: datetime
+    data: Data
 
 
 async def upload_file(
-    content: SpooledTemporaryFile, filename: str, caption: str
+    content: BinaryIO, content_size: int, filename: str, caption: str
 ) -> Optional[UploadedFile]:
     headers = {"Authorization": env_config.FILES_SERVER_API_KEY}
 
     async with httpx.AsyncClient() as client:
-        form = {"caption": caption}
+        form = {"caption": caption, "file_size": content_size}
         files = {"file": (filename, content)}
 
         response = await client.post(