diff --git a/requirements/base.txt b/requirements/base.txt
index a13de5d..85b08b0 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -17,6 +17,6 @@ boto3>=1.20.54
 SQLAlchemy==1.3.23
 werkzeug==2.0.3
 itsdangerous==2.0.1
-jinja2==3.0.3
+jinja2==3.1.3
 WTForms==3.0.1  # pinned for lambda deploy see notes in #20
 Flask-WTF==1.0.0  # pinned for lambda deploy see notes in #20