diff --git a/requirements.txt b/requirements.txt
index e0c6609..c781071 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Flask==1.1.2
 Flask-Cors==3.0.8
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.2
+Jinja2==3.1.3
 MarkupSafe==1.1.1
 numpy==1.19.0
 pandas==1.0.5