diff --git a/requirements.txt b/requirements.txt
index 451b67e..43317e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,4 +41,4 @@ urllib3==1.21.1
 vine==1.1.3
 virtualenv==15.1.0
 wcwidth==0.1.7
-Werkzeug==0.12.2
+Werkzeug==0.15.3