diff --git a/requirements.txt b/requirements.txt
index 42a080f..66e018e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,4 +17,4 @@ pytz==2016.4
 requests==2.10.0
 six==1.10.0
 urllib3==1.16
-Werkzeug==0.11.10
+Werkzeug==0.15.3