diff --git a/requirements.txt b/requirements.txt
index 1ec5b43..477f710 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ Jinja2==2.10
 MarkupSafe==1.0
 psycopg2==2.7.5
 SQLAlchemy==1.2.12
-Werkzeug==0.14.1
+Werkzeug==0.15.3