diff --git a/flasker/requirements.txt b/flasker/requirements.txt
index 2a1c973..38221f5 100644
--- a/flasker/requirements.txt
+++ b/flasker/requirements.txt
@@ -2,4 +2,4 @@ Flask==0.10.1
 itsdangerous==0.24
 Jinja2==2.8
 MarkupSafe==0.23
-Werkzeug==0.11.5
+Werkzeug==0.15.3