diff --git a/requirements.txt b/requirements.txt
index c13a4e5..5a449ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ click==6.7
 ipython==5.3.0
 ipython-genutils==0.1.0
 keras==2.0.2
-mako==1.0.6
+mako==1.2.2
 matplotlib==2.0.0
 numpy==1.12.0
 pillow==8.1.1