diff --git a/requirements.txt b/requirements.txt
index 33e48be..4776948 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,6 +40,6 @@ SQLAlchemy==1.1.15
 urllib3==1.22
 virtualenv==15.1.0
 visitor==0.1.3
-Werkzeug==0.13
+Werkzeug==0.15.3
 WTForms==2.1
 yarl==0.10.2