diff --git a/099/requirements.txt b/099/requirements.txt
index 6aee249..a62870b 100644
--- a/099/requirements.txt
+++ b/099/requirements.txt
@@ -3,4 +3,4 @@ Flask==0.12.2
 itsdangerous==0.24
 Jinja2==2.9.6
 MarkupSafe==1.0
-Werkzeug==0.12.2
+Werkzeug==0.15.3