diff --git a/requirements.txt b/requirements.txt
index 8d55d05..e2266fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Flask==0.10.1
 Jinja2==2.7.1
 MarkupSafe==0.18
-Werkzeug==0.9.4
+Werkzeug==0.15.5
 itsdangerous==0.23
 wsgiref==0.1.2