diff --git a/requirements.txt b/requirements.txt
index db7cc06..40afa89 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,5 +19,5 @@ python-dateutil==2.8.0
 pytz==2019.2
 retrying==1.3.3
 six==1.12.0
-Werkzeug==0.15.6
+Werkzeug==2.2.3
 xlrd==1.2.0