diff --git a/requirements.txt b/requirements.txt
index 004ecba..251ac2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ jsonpointer==2.3
 jsonref==1.0.1
 jsonschema==4.17.0
 Mako==1.2.4
-MarkupSafe==2.1.1
+MarkupSafe==2.1.3
 msgpack==1.0.4
 packaging==21.3
 parse==1.19.0