diff --git a/requirements.txt b/requirements.txt
index ceb62b6..871aebe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -55,7 +55,7 @@ jupyter-core==4.6.3
 kiwisolver==1.2.0
 lazy-object-proxy==1.4.3
 lxml==4.5.0
-Mako==1.1.2
+Mako==1.2.2
 MarkupSafe==1.1.1
 matplotlib==3.2.1
 mccabe==0.6.1