diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 48a7412..873eb76
--- a/requirements.txt
+++ b/requirements.txt
@@ -121,7 +121,7 @@ virtualenvwrapper==4.7.2
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.44.0
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 widgetsnbextension==2.0.0
 wxPython==4.0.0b2
 zope.interface==4.4.2