diff --git a/template-flask-login/requirements.txt b/template-flask-login/requirements.txt
index 6007d02..ddf9365 100644
--- a/template-flask-login/requirements.txt
+++ b/template-flask-login/requirements.txt
@@ -4,7 +4,7 @@ Flask==1.1.1
 Flask-RESTful==0.3.8
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 marshmallow==3.6.0
 PyMySQL==0.9.3