diff --git a/Master/requirements.txt b/Master/requirements.txt
index 424e53036..0d8b5d0d7 100644
--- a/Master/requirements.txt
+++ b/Master/requirements.txt
@@ -23,4 +23,4 @@ six==1.11.0
 timeago==1.0.8
 tzlocal==1.5.1
 urllib3==1.24
-Werkzeug==0.14.1
+Werkzeug==0.15.3