diff --git a/requirements.txt b/requirements.txt
index 9de0bac..5663be3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ iniconfig==1.1.1
 isort==5.8.0
 lazy-object-proxy==1.6.0
 Mako==1.1.4
-MarkupSafe==2.0.0
+MarkupSafe==2.1.1
 mccabe==0.6.1
 packaging==20.9
 passlib==1.7.4