diff --git a/requirements.txt b/requirements.txt
index 32c5366..fcdc4c8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Chameleon==2.16
 Flask==0.10.1
 Jinja2==2.7.3
 MarkupSafe==0.23
-Werkzeug==0.9.6
+Werkzeug==0.15.3
 argparse==1.2.1
 colander==1.0b1
 deform==2.0a2