diff --git a/requirements.txt b/requirements.txt
index cca04e7..e42bcf6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ cryptography==3.3.2
 docutils==0.16
 idna==2.9
 imagesize==1.2.0
-Jinja2==2.11.3
+Jinja2==3.1.6
 MarkupSafe==1.1.1
 packaging==20.1
 pycparser==2.19