diff --git a/requirements.txt b/requirements.txt
index 0abc554..37234a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,11 +1,11 @@
 Flask>=3.0.3,<4.0.0
-six>=1.16.0
+six>=1.16.0,<2.0.0
 aliyun-python-sdk-core-v3
+oss2
 django-cors-headers
 django-tastypie
 django<5
 gunicorn
-oss2
 pillow
 psycopg2-binary
 requests