diff --git a/requirements.txt b/requirements.txt
index e243186..57c3aeb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,4 +32,4 @@ pytz==2017.2
 six==1.11.0
 Unidecode==0.4.21
 virtualenv==15.1.0
-Werkzeug==0.12.2
+Werkzeug==0.15.3