diff --git a/lesson13/p4_deploy/requirements.txt b/lesson13/p4_deploy/requirements.txt
index c8e7aae..388d065 100644
--- a/lesson13/p4_deploy/requirements.txt
+++ b/lesson13/p4_deploy/requirements.txt
@@ -2,6 +2,6 @@ click==7.1.1
 Flask==1.1.2
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 Werkzeug==1.0.1