diff --git a/python/pyproject.toml b/python/pyproject.toml
index f704898c..0f196277 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "qianfan"
-version = "0.4.8.1"
+version = "0.4.9"
 description = "文心千帆大模型平台 Python SDK"
 authors = []
 license = "Apache-2.0"