diff --git a/requirements.txt b/requirements.txt
index dee68fb..4fc2a24 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ cryptography==37.0.2
 Flask==2.1.2
 itsdangerous==2.1.2
 Jinja2==3.1.2
-MarkupSafe==1.1.1
+MarkupSafe==2.1.1
 redis==4.3.3
 Werkzeug==2.1.2