diff --git a/requirements.txt b/requirements.txt
index 77e69da..ee4a650 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ jupyter-core==4.6.3
 jupyterlab==2.1.1
 jupyterlab-server==1.1.1
 lazy-object-proxy==1.4.3
-Mako==1.1.2
+Mako==1.2.2
 MarkupSafe==1.1.1
 mccabe==0.6.1
 mistune==0.8.4