diff --git a/app/constraints.txt b/app/constraints.txt
index 903fa07f..b70e29f2 100644
--- a/app/constraints.txt
+++ b/app/constraints.txt
@@ -12,7 +12,7 @@ idna==3.10
 importlib-resources==6.4.5
 itsdangerous==2.2.0
 Jinja2==3.1.4
-Mako==1.3.5
+Mako==1.3.8
 MarkupSafe==2.1.5
 oauthlib==3.2.2
 oic==1.6.1