diff --git a/backend/open_webui/storage/provider.py b/backend/open_webui/storage/provider.py
index 261f010..048ea4b 100644
--- a/backend/open_webui/storage/provider.py
+++ b/backend/open_webui/storage/provider.py
@@ -6,14 +6,6 @@ import shutil
 from abc import ABC, abstractmethod
 from typing import BinaryIO, Dict, Tuple
 
-import boto3
-from azure.core.exceptions import ResourceNotFoundError
-from azure.identity import DefaultAzureCredential
-from azure.storage.blob import BlobServiceClient
-from botocore.config import Config
-from botocore.exceptions import ClientError
-from google.cloud import storage
-from google.cloud.exceptions import GoogleCloudError, NotFound
 from open_webui.config import (
     AZURE_STORAGE_CONTAINER_NAME,
     AZURE_STORAGE_ENDPOINT,
@@ -335,10 +327,24 @@ def get_storage_provider(storage_provider: str):
     if storage_provider == 'local':
         Storage = LocalStorageProvider()
     elif storage_provider == 's3':
+        global boto3, Config, ClientError
+        import boto3
+        from botocore.config import Config
+        from botocore.exceptions import ClientError
+
         Storage = S3StorageProvider()
     elif storage_provider == 'gcs':
+        global storage, GoogleCloudError, NotFound
+        from google.cloud import storage
+        from google.cloud.exceptions import GoogleCloudError, NotFound
+
         Storage = GCSStorageProvider()
     elif storage_provider == 'azure':
+        global ResourceNotFoundError, DefaultAzureCredential, BlobServiceClient
+        from azure.core.exceptions import ResourceNotFoundError
+        from azure.identity import DefaultAzureCredential
+        from azure.storage.blob import BlobServiceClient
+
         Storage = AzureStorageProvider()
     else:
         raise RuntimeError(f'Unsupported storage provider: {storage_provider}')