diff --git a/requirements.txt b/requirements.txt
index 8f150ce..9c0431d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,14 +63,16 @@ flask-redis==0.4.0
 govuk-bank-holidays==0.10
     # via notifications-utils
 gunicorn==20.1.0
-    # via -r requirements.in
+    # via
+    #   -r requirements.in
+    #   notifications-utils
 idna==3.3
     # via requests
 itsdangerous==2.1.2
     # via
     #   flask
     #   notifications-utils
-jinja2==3.1.3
+jinja2==3.1.4
     # via
     #   flask
     #   notifications-utils