diff --git a/requirements.txt b/requirements.txt
index f1a9de4..490355f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,4 +44,4 @@ rsa==4.0
 six==1.11.0
 uritemplate==3.0.0
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3