diff --git a/requirements.txt b/requirements.txt
index da92061..d074e0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,5 +24,5 @@ requests==2.20.0
 six==1.11.0
 urllib3==1.23
 vine==1.1.4
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 xmltodict==0.11.0