diff --git a/requirements.txt b/requirements.txt
index e8592c9..086528e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ six==1.11.0
 SQLAlchemy==1.1.14
 urllib3==1.22
 websocket-client==0.44.0
-Werkzeug==0.12.2
+Werkzeug==0.15.3