diff --git a/requirements.txt b/requirements.txt
index 83aed04..40aeb46 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ idna==3.4
 itsdangerous==1.1.0
 Jinja2==2.11.3
 Mako==1.2.4
-MarkupSafe==1.1.1
+MarkupSafe==2.1.2
 mccabe==0.6.1
 mypy-extensions==0.4.3
 mysqlclient==2.1.0