diff --git a/requirements.txt b/requirements.txt
index 4c40096..6bf8e1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,7 +18,7 @@ jaraco.functools==1.20
 jaraco.text==3.2.0
 kiwisolver==1.3.2
 lazy-object-proxy==1.3.1
-Mako==1.1.5
+Mako==1.2.2
 MarkupSafe==2.0.1
 matplotlib==3.4.3
 mccabe==0.6.1