diff --git a/backend/requirements.txt b/backend/requirements.txt
index 7c73e0d3..fdf8b85a 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -11,4 +11,4 @@ psycopg2-binary==2.8.2
 pytz==2019.1
 six==1.12.0
 SQLAlchemy==1.3.4
-Werkzeug==0.15.4
+Werkzeug==0.15.5