diff --git a/flask-connexion-rest-part-3/requirements.txt b/flask-connexion-rest-part-3/requirements.txt
index c9efff7..168d70a 100644
--- a/flask-connexion-rest-part-3/requirements.txt
+++ b/flask-connexion-rest-part-3/requirements.txt
@@ -9,7 +9,7 @@ Flask-SQLAlchemy==2.3.2
 idna==2.8
 inflection==0.3.1
 itsdangerous==1.1.0
-Jinja2==2.10
+Jinja2==2.11.3
 jsonschema==2.6.0
 MarkupSafe==1.1.0
 marshmallow==2.18.0