diff --git a/qcloud_cos/version.py b/qcloud_cos/version.py
index bfa56600..584c09d1 100644
--- a/qcloud_cos/version.py
+++ b/qcloud_cos/version.py
@@ -1,2 +1,2 @@
 
-__version__ = '5.1.7.8'
+__version__ = '5.1.7.9'