diff --git a/requirements.txt b/requirements.txt
index 5794577..6719b92 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,5 +13,5 @@ requests==2.19.1
 six==1.11.0
 urllib3==1.23
 wechatpy==1.7.5
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 xmltodict==0.11.0