diff --git a/requirements.txt b/requirements.txt
index 3f66785..76c8b66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,4 +30,4 @@ Sphinx==1.7.5
 sphinxcontrib-websupport==1.1.0
 SQLAlchemy==1.2.8
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3