diff --git a/requirements.txt b/requirements.txt
index 17c0477..0f99cd5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,5 +63,5 @@ uuid==1.30
 virtualenv==15.1.0
 virtualenv-clone==0.2.6
 virtualenvwrapper==4.7.2
-Werkzeug==0.11.15
+Werkzeug==0.15.3
 WTForms==2.1