diff --git a/PythonForWeb/requirements.txt b/PythonForWeb/requirements.txt
index a4647cb..aa9b3d3 100644
--- a/PythonForWeb/requirements.txt
+++ b/PythonForWeb/requirements.txt
@@ -8,7 +8,7 @@ Flask-SQLAlchemy==2.4.0
 gunicorn==19.9.0
 idna==2.8
 itsdangerous==1.1.0
-Jinja2==2.10.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 requests==2.22.0
 soupsieve==1.9.2