diff --git a/requirements.txt b/requirements.txt
index 48e3f27..70181c9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask-WTF==0.9.5
 Jinja2==2.7.2
 MarkupSafe==0.19
 WTForms==1.0.5
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 blinker==1.3
 boto==2.27.0
 dropbox==2.0.0