diff --git a/requirements.txt b/requirements.txt
index 675cc4b..895d0c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Fabric==1.8.1
 Flask==0.10.1
 Jinja2==2.7.2
 MarkupSafe==0.18
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 clize==2.4
 ecdsa==0.10
 gevent==1.0