diff --git a/requirements.txt b/requirements.txt
index 948fbbd..a4fc6c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask==1.1.4
 importlib-metadata==2.1.1
 importlib-resources==3.2.1
 itsdangerous==1.1.0
-Jinja2==2.11.3
+Jinja2==3.1.5
 language-selector==0.1
 MarkupSafe==1.1.1
 pip-chill==1.0.1