diff --git a/flask_server/requirements.txt b/flask_server/requirements.txt
index b102ee9..8aa4f89 100644
--- a/flask_server/requirements.txt
+++ b/flask_server/requirements.txt
@@ -14,7 +14,7 @@ h5py==2.10.0
 idna==2.9
 importlib-metadata==1.6.1
 itsdangerous==1.1.0
-Jinja2==2.11.2
+Jinja2==2.11.3
 Keras-Preprocessing==1.1.2
 Markdown==3.2.2
 MarkupSafe==1.1.1