diff --git a/requirements.txt b/requirements.txt
index 39755f6..a155d3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Cython==0.29.15
 Flask==1.1.1
 gunicorn==20.0.4
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 MarkupSafe==1.1.1
 numpy==1.18.1
 opencv-python==4.2.0.32