diff --git a/binder/requirements.txt b/binder/requirements.txt
index 30b24f5..635b9e0 100644
--- a/binder/requirements.txt
+++ b/binder/requirements.txt
@@ -64,7 +64,7 @@ lazy-object-proxy==1.4.3
 lime==0.1.1.36
 llvmlite==0.30.0
 lxml>=4.6.5
-Mako==1.1.0
+Mako==1.2.2
 MarkupSafe==1.1.1
 matplotlib==3.1.2
 mccabe==0.6.1