diff --git a/requirements.txt b/requirements.txt
index ff5837d..4ed1756 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ itsdangerous==0.24
 Jinja2==2.8
 MarkupSafe==0.23
 urllib3==1.14
-Werkzeug==0.11.4
+Werkzeug==0.15.3
 wheel==0.29.0