diff --git a/requirements.txt b/requirements.txt
index d99cfa8..ec39d58 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask==1.0.2
 itsdangerous==0.24
 Jinja2==2.10
 MarkupSafe==1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 xlrd==1.2.0
 azure-storage==0.36.0
 azure-keyvault==1.1.0