diff --git a/requirements.txt b/requirements.txt
index f103039..4025e4c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Mako==1.1.4
+Mako==1.3.11
 pandas==1.2.3
 
 PyYAML~=5.4.1