diff --git a/pyproject.toml b/pyproject.toml
index 5f0281f4..e0cd95d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "uipath"
-version = "2.0.62"
+version = "2.0.63"
 description = "Python SDK and CLI for UiPath Platform, enabling programmatic interaction with automation services, process management, and deployment tools."
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.10"
diff --git a/src/uipath/_services/attachments_service.py b/src/uipath/_services/attachments_service.py
index d00e6927..fe88fe59 100644
--- a/src/uipath/_services/attachments_service.py
+++ b/src/uipath/_services/attachments_service.py
@@ -384,13 +384,14 @@ def upload(
         if source_path:
             # Upload from file
             with open(source_path, "rb") as file:
+                file_content = file.read()
                 if result["BlobFileAccess"]["RequiresAuth"]:
                     self.request(
-                        "PUT", upload_uri, headers=headers, files={"file": file}
+                        "PUT", upload_uri, headers=headers, content=file_content
                     )
                 else:
                     with httpx.Client() as client:
-                        client.put(upload_uri, headers=headers, files={"file": file})
+                        client.put(upload_uri, headers=headers, content=file_content)
         else:
             # Upload from memory
             # Convert string to bytes if needed
@@ -519,13 +520,14 @@ async def main():
         if source_path:
             # Upload from file
             with open(source_path, "rb") as file:
+                file_content = file.read()
                 if result["BlobFileAccess"]["RequiresAuth"]:
                     await self.request_async(
-                        "PUT", upload_uri, headers=headers, files={"file": file}
+                        "PUT", upload_uri, headers=headers, content=file_content
                     )
                 else:
                     with httpx.Client() as client:
-                        client.put(upload_uri, headers=headers, files={"file": file})
+                        client.put(upload_uri, headers=headers, content=file_content)
         else:
             # Upload from memory
             # Convert string to bytes if needed