diff --git a/aws-ts-stackreference-architecture/application/src/backend/requirements.txt b/aws-ts-stackreference-architecture/application/src/backend/requirements.txt
index 117216296..6e721d3c0 100644
--- a/aws-ts-stackreference-architecture/application/src/backend/requirements.txt
+++ b/aws-ts-stackreference-architecture/application/src/backend/requirements.txt
@@ -2,7 +2,7 @@ Click==7.0
 dnspython==2.6.1
 Flask==2.2.5
 itsdangerous==0.24
-Jinja2==3.1.4
+Jinja2==3.1.5
 MarkupSafe>=1.0
 Werkzeug==3.0.6
 requests==2.32.2