diff --git a/requirements.txt b/requirements.txt
index d4a00920..bff4bce1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,5 @@ python-dateutil==2.8.0
 pytz==2018.9
 six==1.12.0
 SQLAlchemy==1.2.18
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1