diff --git a/requirements.txt b/requirements.txt
index 4fae849..331ca79 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ scikit_learn==0.23.1
 seaborn==0.10.1
 gunicorn==19.9.0
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.3
 MarkupSafe==1.1.1
 Werkzeug==2.2.3