diff --git a/requirements.txt b/requirements.txt
index 3049795..79d426f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,5 +30,5 @@ subprocess32==3.2.7
 urllib3==1.22
 virtualenv==15.1.0
 virtualenv-clone==0.2.6
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 xlrd==1.1.0