diff --git a/flask-server/requirements.txt b/flask-server/requirements.txt
index c0d8a20..874abc6 100644
--- a/flask-server/requirements.txt
+++ b/flask-server/requirements.txt
@@ -17,4 +17,4 @@ pymongo==3.8.0
 pyrsistent==0.15.2
 python-dotenv==0.10.3
 six==1.12.0
-Werkzeug==0.15.4
+Werkzeug==0.15.5