diff --git a/requirements.txt b/requirements.txt
index 4125712..c95b371 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask==1.1.4
 Flask-Bootstrap==3.3.7.1
 Flask-SSLify==0.1.5
 Flask-WTF==1.0.0
-Werkzeug==1.0.1
+Werkzeug==2.2.3
 WTForms==3.0.0
 
 # deployment to heroku