diff --git a/requirements.txt b/requirements.txt
index bd9db89..46bf38c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask==1.0.2
 itsdangerous==1.1.0
 Jinja2==2.10
 MarkupSafe==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.5
 scikit-learn==0.20.3
 gunicorn==19.6.0
 requests==2.10.0