diff --git a/requirements.txt b/requirements.txt
index 42931c5..dc234ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ ipython-genutils==0.2.0
 itsdangerous==1.1.0
 jupyter-core==4.4.0
 Keras-Preprocessing==1.0.9
-Mako==1.0.7
+Mako==1.2.2
 MarkupSafe==1.1.1
 mccabe==0.6.1
 mkl==2019.1