diff --git a/rest-service/requirements.txt b/rest-service/requirements.txt
index 6b27fdc..d8cb632 100644
--- a/rest-service/requirements.txt
+++ b/rest-service/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.1.2
 Flask-RESTful==0.3.8
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.6
 MarkupSafe==1.1.1
 postgis==1.0.4
 psycopg2==2.8.6