diff --git a/not_working_code/Rest_TUTORIAL_01/requirements.txt b/not_working_code/Rest_TUTORIAL_01/requirements.txt
index 3ffc053..eecfa12 100644
--- a/not_working_code/Rest_TUTORIAL_01/requirements.txt
+++ b/not_working_code/Rest_TUTORIAL_01/requirements.txt
@@ -7,7 +7,7 @@ flask-restplus==0.13.0
 Flask-SQLAlchemy==2.4.1
 importlib-metadata==1.5.0
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 jsonschema==3.2.0
 MarkupSafe==1.1.1
 marshmallow==3.3.0