diff --git a/back/requirements.txt b/back/requirements.txt
index 336574a..0b4ac20 100644
--- a/back/requirements.txt
+++ b/back/requirements.txt
@@ -10,7 +10,7 @@ Flask-RESTful==0.3.8
 flask-restplus==0.13.0
 Flask-SQLAlchemy==2.4.1
 itsdangerous==1.1.0
-Jinja2==2.10.3
+Jinja2==2.11.3
 jsonschema==3.2.0
 MarkupSafe==1.1.1
 marshmallow==3.11.1
diff --git a/fullstack_flask/requirements.txt b/fullstack_flask/requirements.txt
index b4b9df5..dbf17f2 100644
--- a/fullstack_flask/requirements.txt
+++ b/fullstack_flask/requirements.txt
@@ -10,7 +10,7 @@ Flask-Mail==0.9.1
 Flask-SQLAlchemy==2.3.2
 Flask-WTF==0.14.2
 itsdangerous==0.24
-Jinja2==2.10
+Jinja2==2.11.3
 MarkupSafe==1.0
 Pillow==5.3.0
 pycparser==2.18