diff --git a/app/requirements.txt b/app/requirements.txt
index e7900b1..e4fc602 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -5,7 +5,7 @@ Flask==1.1.1
 Flask-Bootstrap==3.3.7.1
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 neologdn==0.4
 numpy==1.18.1