diff --git a/requirements.txt b/requirements.txt
index a43f495..c11829b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,4 +51,4 @@ requests==2.18.4
 rsa==3.4.2
 six==1.11.0
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3