diff --git a/requirements.txt b/requirements.txt
index a993c65..b3a51e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,5 +38,5 @@ PyYAML==3.12
 requests==2.18.4
 six==1.11.0
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11