diff --git a/www/py-django-mptt/Makefile b/www/py-django-mptt/Makefile
index 6268ea4b6b07..822624fecf27 100644
--- a/www/py-django-mptt/Makefile
+++ b/www/py-django-mptt/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	django-mptt
 PORTVERSION=	0.16.0
 PORTREVISION=	1
 CATEGORIES=	www python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	django_mptt-${PORTVERSION}
 
 MAINTAINER=	kai@FreeBSD.org
 COMMENT=	Utilities for implementing Modified Preorder Tree Traversal in Django
 WWW=		https://github.com/django-mptt/django-mptt
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}hatchling>0:devel/py-hatchling@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}django42>=2.2:www/py-django42@${PY_FLAVOR}\
 		${PYTHON_PKGNAMEPREFIX}django-js-asset>0:www/py-django-js-asset@${PY_FLAVOR}
 
-USES=		python:3.9+
+USES=		python:3.10+ # www/py-django-js-asset requires Python 3.10+
 USE_PYTHON=	autoplist pep517
 
 NO_ARCH=		yes
 CONFLICTS_INSTALL=	${PYTHON_PKGNAMEPREFIX}*${PORTNAME}
 
 .include <bsd.port.mk>