diff --git a/requirements.txt b/requirements.txt
index 47fe838..5cadaf6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,6 +23,6 @@ pytz==2020.4
 retrying==1.3.3
 six==1.15.0
 webassets==2.0
-Werkzeug==1.0.1
+Werkzeug==2.2.3
 WTForms==2.3.3
 xarray==0.16.2