diff --git a/requirements.txt b/requirements.txt
index 7179469..6186e69 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ jupyterhub>=0.9.6
 jupyterlab==0.35.4
 jupyterlab-server==0.2.0
 keepalive==0.5
-Mako==1.0.9
+Mako==1.2.2
 MarkupSafe==1.1.1
 mistune==0.8.4
 nbconvert==5.4.1