diff --git a/devel/py-nbclassic/Makefile b/devel/py-nbclassic/Makefile
index d3314b434a78..7fb1582f61cc 100644
--- a/devel/py-nbclassic/Makefile
+++ b/devel/py-nbclassic/Makefile
@@ -1,38 +1,39 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	nbclassic
 PORTVERSION=	0.4.0
 CATEGORIES=	devel python
-MASTER_SITES=	CHEESESHOP
+MASTER_SITES=	CHEESESHOP \
+		https://github.com/jupyter/nbclassic/releases/download/v${PORTVERSION}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Jupyter Notebook as a Jupyter Server Extension
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}argon2-cffi>=0:security/py-argon2-cffi@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ipykernel5>=0:devel/py-ipykernel5@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ipython_genutils>=0:devel/py-ipython_genutils@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Jinja2>=0:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jupyter-client>=6.1.1:devel/py-jupyter-client@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jupyter-core>=4.6.1:devel/py-jupyter-core@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}jupyter-server>=1.8:devel/py-jupyter-server@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbconvert>=5:devel/py-nbconvert@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbformat>=0:devel/py-nbformat@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nest-asyncio>=1.5:devel/py-nest-asyncio@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}notebook-shim>=0.1.0:devel/py-notebook-shim@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}prometheus-client>=0:net-mgmt/py-prometheus-client@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pyzmq>=17:net/py-pyzmq@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}send2trash>=1.8.0:deskutils/py-send2trash@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}terminado>=0.8.3:net/py-terminado@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}tornado>=6.1:www/py-tornado@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}traitlets>=4.2.1:devel/py-traitlets@${PY_FLAVOR}
 
 USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>