diff --git a/service/requirements.txt b/service/requirements.txt
old mode 100755
new mode 100644
index 83fcc55..7c261b8
--- a/service/requirements.txt
+++ b/service/requirements.txt
@@ -16,4 +16,4 @@ six==1.10.0
 socketIO-client==0.7.2
 virtualenv==15.1.0
 websocket-client==0.40.0
-Werkzeug==0.12.1
+Werkzeug==0.15.3