diff --git a/requirements.txt b/requirements.txt
index a34ab52..4227c64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ requests==2.19.1
 six==1.11.0
 urllib3==1.23
 validate-email==1.3
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 gunicorn==19.9.0