diff --git a/requirements.txt b/requirements.txt
index 028b7e9..9e73a62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ requests==2.25.1
 pytz==2019.3
 Flask==0.8
 Jinja2==2.6
-Werkzeug==0.8.3
+Werkzeug==0.15.5
 certifi==0.0.8
 chardet==1.0.1
 distribute==0.6.24