diff --git a/requirements.txt b/requirements.txt
index a2646cf..9ac0e76 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ idna==2.9
 imagesize==1.2.0
 jdcal==1.4.1
 Jinja2==2.11.1
-Mako==1.1.2
+Mako==1.2.2
 Markdown==3.2.1
 MarkupSafe==1.1.1
 more-itertools==8.2.0