diff --git a/app/ch06_routing/starter/requirements.txt b/app/ch06_routing/starter/requirements.txt
index 12e1f645..97515a27 100644
--- a/app/ch06_routing/starter/requirements.txt
+++ b/app/ch06_routing/starter/requirements.txt
@@ -12,7 +12,7 @@ flask==3.0.0
     # via -r requirements.piptools
 itsdangerous==2.1.2
     # via flask
-jinja2==3.1.2
+jinja2==3.1.3
     # via flask
 markupsafe==2.1.3
     # via