diff --git a/requirements.txt b/requirements.txt
index 91759b8..b91e0ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,5 +13,5 @@ python-dotenv==0.6.5
 PyYAML==3.12
 requests==2.18.4
 urllib3==1.22
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 XlsxWriter==1.0.2