diff --git a/requirements.txt b/requirements.txt
index c454dde..204e4f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,5 +5,5 @@ Jinja2>=2.10.1
 MarkupSafe==0.23
 psycopg2==2.6.1
 SQLAlchemy>=1.3.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 wheel==0.26.0