diff --git a/requirements.txt b/requirements.txt
index 801d193..bd6dcbe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Flask-SQLAlchemy==2.5.1
 idna==2.6
 itsdangerous==2.0.0
 Jinja2==3.0.3
-Mako==1.2.2
+Mako==1.3.11
 MarkupSafe==2.1.1
 parsedatetime==2.6
 psycopg2==2.9.9