diff --git a/requirements-old.txt b/requirements-old.txt
index bf287ff2..3780f4b7 100644
--- a/requirements-old.txt
+++ b/requirements-old.txt
@@ -154,7 +154,7 @@ warlock==1.2.0
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.40.0
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 wrapt==1.10.6
 xhtml2pdf==0.2.5
 xlrd==0.6.1