diff --git a/backend/requirements.txt b/backend/requirements.txt
index cee9edf..07498b6 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -15,4 +15,4 @@ markupsafe==1.1.0         # via jinja2
 redis==3.0.1
 requests==2.21.0
 urllib3==1.24.1           # via requests
-werkzeug==0.14.1          # via flask
+werkzeug==0.15.3          # via flask