diff --git a/server/requirements.txt b/server/requirements.txt
index 0b5ea57..2739d9e 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -7,7 +7,7 @@ Flask==1.1.2
 hazelcast-python-client==4.1
 itsdangerous==1.1.0
 Jinja2==2.11.3
-MarkupSafe==1.1.1
+MarkupSafe==2.1.3
 python-dateutil==2.8.1
 six==1.16.0
 text-unidecode==1.3