diff --git a/textproc/py-isbnlib/Makefile b/textproc/py-isbnlib/Makefile
index 9b4d630b5660..6b3f15263f31 100644
--- a/textproc/py-isbnlib/Makefile
+++ b/textproc/py-isbnlib/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	isbnlib
-PORTVERSION=	3.10.12
+PORTVERSION=	3.10.13
 CATEGORIES=	textproc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Extract, clean, transform, hyphenate and metadata for ISBNs
 WWW=		https://github.com/xlcnd/isbnlib
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/LICENSE-LGPL-3.0.txt
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/textproc/py-isbnlib/distinfo b/textproc/py-isbnlib/distinfo
index affb99a04a4b..3a8bb4cb9540 100644
--- a/textproc/py-isbnlib/distinfo
+++ b/textproc/py-isbnlib/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1669057967
-SHA256 (isbnlib-3.10.12.tar.gz) = 14e64db192bc3d33c984ad01bc64223ea0abf1abb7af01ec8c4ddd08a586b433
-SIZE (isbnlib-3.10.12.tar.gz) = 62458
+TIMESTAMP = 1677771361
+SHA256 (isbnlib-3.10.13.tar.gz) = 4679341f56a0df91c635e838a222ce7f10755cb5bcc9548e3f7a8aff5674d3d4
+SIZE (isbnlib-3.10.13.tar.gz) = 63155