diff --git a/devel/py-nbdime/Makefile b/devel/py-nbdime/Makefile
index 13341265b558..12f4d5b9d657 100644
--- a/devel/py-nbdime/Makefile
+++ b/devel/py-nbdime/Makefile
@@ -1,30 +1,30 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	nbdime
 PORTVERSION=	3.1.1
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Diff and merge of Jupyter notebooks
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}colorama>=0:devel/py-colorama@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}gitpython>=0:devel/py-gitpython@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Jinja2>=2.9:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jupyter-server>=0:devel/py-jupyter-server@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jupyter-server-mathjax>=0.2.2:devel/py-jupyter-server-mathjax@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbformat>=0:devel/py-nbformat@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pygments>=0:textproc/py-pygments@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}requests>=0:www/py-requests@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tornado>=0:www/py-tornado@${PY_FLAVOR}
 
-USES=		python:3.7+
+USES=		python:3.7-3.9
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>