diff --git a/aws-python-flask-api/requirements.txt b/aws-python-flask-api/requirements.txt
index 0c47f9801..7ea3a9c73 100644
--- a/aws-python-flask-api/requirements.txt
+++ b/aws-python-flask-api/requirements.txt
@@ -1,3 +1,3 @@
 Flask==1.1.4
 Werkzeug==1.0.1
-
+markupsafe==2.0.1