diff --git a/README.md b/README.md
index ed58037..6726ad6 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 </p>
 
 <p align="center">
-    <img src ="https://img.shields.io/badge/version-4.8.0-blueviolet.svg"/>
+    <img src ="https://img.shields.io/badge/version-4.8.1-blueviolet.svg"/>
     <img src ="https://img.shields.io/badge/platform-linux-yellow.svg"/>
     <img src ="https://img.shields.io/badge/python-3.7-blue.svg" />
     <img src ="https://img.shields.io/github/license/vnpy/vnpy.svg?color=orange"/>
diff --git a/setup.cfg b/setup.cfg
index decc8fb..e73edb4 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = vnpy_sgit
-version = 4.8.0
+version = 4.8.1
 url = https://www.vnpy.com
 license = MIT
 author = Xiaoyou Chen