diff --git a/requirements.txt b/requirements.txt
index ee5e076..e7bd6b6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Flask==1.1.2
 Flask-RESTful==0.3.8
 idna==2.10
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.6
 joblib==1.0.1
 kiwisolver==1.3.1
 mailer==0.8.1