diff --git a/textproc/py-nbsphinx/Makefile b/textproc/py-nbsphinx/Makefile
index 289e997b1f29..48d42ae71d08 100644
--- a/textproc/py-nbsphinx/Makefile
+++ b/textproc/py-nbsphinx/Makefile
@@ -1,27 +1,27 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	nbsphinx
 PORTVERSION=	0.8.7
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Jupyter Notebook Tools for Sphinx
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}docutils>=0:textproc/py-docutils@${PY_FLAVOR} \
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}docutils>=0,1:textproc/py-docutils@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}Jinja2>=0:devel/py-Jinja2@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbconvert>=0:devel/py-nbconvert@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbformat>=0:devel/py-nbformat@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}sphinx>=1.8,1:textproc/py-sphinx@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}traitlets>=0:devel/py-traitlets@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>