diff --git a/requirements.txt b/requirements.txt
index 6624eb8..924ca7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,4 @@ pandas==0.25.1
 python-dateutil==2.8.0
 pytz==2019.2
 six==1.12.0
-Werkzeug==0.15.5
+Werkzeug==2.2.3