diff --git a/requirements.txt b/requirements.txt
index 0382aa2..35b9b7f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 Flask==0.9
 Jinja2==2.6
-Werkzeug==0.8.3
+Werkzeug==2.2.3
 wsgiref==0.1.2