diff --git a/devel/py-nbclient/Makefile b/devel/py-nbclient/Makefile
index d4d772e648ca..5bdf8ad08964 100644
--- a/devel/py-nbclient/Makefile
+++ b/devel/py-nbclient/Makefile
@@ -1,31 +1,31 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	nbclient
-PORTVERSION=	0.5.6
+PORTVERSION=	0.5.8
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Client library for executing notebooks
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}jupyter-client>=6.1.5:devel/py-jupyter-client@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nbformat>=5.0:devel/py-nbformat@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}nest-asyncio>=0:devel/py-nest-asyncio@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}traitlets>=4.2:devel/py-traitlets@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.pre.mk>
 
 .if ${PYTHON_REL} < 30700
 RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}async_generator>=0:devel/py-async_generator@${PY_FLAVOR}
 .endif
 
 .include <bsd.port.post.mk>
diff --git a/devel/py-nbclient/distinfo b/devel/py-nbclient/distinfo
index 9adf28582f7d..06af768a8d1e 100644
--- a/devel/py-nbclient/distinfo
+++ b/devel/py-nbclient/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1637072974
-SHA256 (nbclient-0.5.6.tar.gz) = 069228da9642a5d43fcabe8b78fcf2b7e8b62c71e07d772208e4f0b38b718474
-SIZE (nbclient-0.5.6.tar.gz) = 73729
+TIMESTAMP = 1637519876
+SHA256 (nbclient-0.5.8.tar.gz) = 34f52cc9cb831a5d8ccd7031537e354c75dc61a24487f998712d1289de320a25
+SIZE (nbclient-0.5.8.tar.gz) = 74168