diff --git a/requirements.txt b/requirements.txt
index a9536f4..0d415a6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,6 +63,6 @@ SQLAlchemy==1.2.1
 typing==3.6.4
 urllib3==1.22
 vine==1.1.4
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.2.1
 xmltodict==0.11.0