diff --git a/image/usr/lib/web/requirements.txt b/image/usr/lib/web/requirements.txt
index 5a98da4..00b62f9 100644
--- a/image/usr/lib/web/requirements.txt
+++ b/image/usr/lib/web/requirements.txt
@@ -1,7 +1,7 @@
 Flask>=0.12.3
 Flask-Login>=0.2.11
 Jinja2>=2.8.1
-MarkupSafe==0.23
+MarkupSafe==2.1.5
 werkzeug>=0.15.3
 argparse>=1.2.1
 backports.ssl-match-hostname==3.7.0.1