diff --git a/requirements.txt b/requirements.txt
index aa79cb0..8ac3c0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Flask==0.9
 Jinja2==2.6
-Werkzeug==0.8.3
+Werkzeug==2.2.3
 argparse==1.2.1
 wsgiref==0.1.2