diff --git a/requirements.txt b/requirements.txt
index e55f98d..4cf2d68 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Click==7.0
 Flask==1.1.1
 flaskwebgui==0.1.6
 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