diff --git a/flask/requirements.txt b/flask/requirements.txt
index 6f02fb6..b98ba8d 100644
--- a/flask/requirements.txt
+++ b/flask/requirements.txt
@@ -3,4 +3,4 @@ Flask==1.0.2
 itsdangerous==1.1.0
 Jinja2==2.10
 MarkupSafe==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5