diff --git a/requirements.txt b/requirements.txt
index 03e4e6c..5d4e7ff 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,5 +14,5 @@ requests==2.18.4
 six==1.11.0
 urllib3==1.22
 websocket-client==0.46.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1