diff --git a/requirements.txt b/requirements.txt
index aea07de..ac042ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ importlib-metadata==1.5.0
 itsdangerous==0.24
 Jinja2==2.10.1
 kombu==4.6.7
-MarkupSafe==1.0
+MarkupSafe==1.1
 mock==2.0.0
 pbr==3.1.1
 python-dateutil==2.6.1