diff --git a/requirements.txt b/requirements.txt
index 7a50a00d7e..4e3354db64 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ ipaddr==2.2.0
 Jinja2==2.11.3
 jsonschema==3.2.0
 lockfile==0.12.2
-MarkupSafe==1.1.1
+MarkupSafe==2.0.0
 more-itertools==8.7.0
 msgpack==1.0.2
 nodeenv==1.5.0