diff --git a/webapp/requirements.txt b/webapp/requirements.txt
index ebad290..8991fe8 100644
--- a/webapp/requirements.txt
+++ b/webapp/requirements.txt
@@ -3,6 +3,6 @@ Flask==1.0.2
 itsdangerous==1.1.0
 Jinja2==2.10
 MarkupSafe==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 pymongo
 gunicorn