diff --git a/textproc/py-isbntools/Makefile b/textproc/py-isbntools/Makefile
index 6111b8bf4d57..05d9d0de8993 100644
--- a/textproc/py-isbntools/Makefile
+++ b/textproc/py-isbntools/Makefile
@@ -1,22 +1,22 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	isbntools
-PORTVERSION=	4.3.25
+PORTVERSION=	4.3.27
 CATEGORIES=	textproc python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	App and framework for all things about ISBN
 
-LICENSE=	LGPL3
-LICENSE_FILE=	${WRKSRC}/LICENSE-LGPL-3.0-only.txt
+LICENSE=	LGPL3+
+LICENSE_FILE=	${WRKSRC}/LICENSE-LGPL-3.0.txt
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}isbnlib>=3.10.6<3.11.0:textproc/py-isbnlib@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}isbnlib>=3.10.7<3.11.0:textproc/py-isbnlib@${PY_FLAVOR}
 
 USES=		python:3.6+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/textproc/py-isbntools/distinfo b/textproc/py-isbntools/distinfo
index 1882270f6c35..c60fa71333a4 100644
--- a/textproc/py-isbntools/distinfo
+++ b/textproc/py-isbntools/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1611856602
-SHA256 (isbntools-4.3.25.tar.gz) = 322c5f0d077b52fce0e5c98093b20b48a4aeaf3119d2324982e76ebdb431aa9e
-SIZE (isbntools-4.3.25.tar.gz) = 39927
+TIMESTAMP = 1619198579
+SHA256 (isbntools-4.3.27.tar.gz) = 4617d46e58ba106954fdbc6c35f8e70322a2f86918bf76795d12d931fae55837
+SIZE (isbntools-4.3.27.tar.gz) = 40060