diff --git a/requirements.txt b/requirements.txt
index 7e72f4e3d..7288c9fb9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ GitPython==3.1.0
 glyphsLib==5.1.6
 idna==2.9
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==3.1.5
 lxml==4.5.0
 MarkupSafe==1.1.1
 opentype-sanitizer==8.0.0.post2