diff --git a/devel/py-ExtensionClass/Makefile b/devel/py-ExtensionClass/Makefile
index f838943d2dee..45eb7235a4fd 100644
--- a/devel/py-ExtensionClass/Makefile
+++ b/devel/py-ExtensionClass/Makefile
@@ -1,18 +1,18 @@
 PORTNAME=	ExtensionClass
-PORTVERSION=	4.3.0
+PORTVERSION=	5.1
 CATEGORIES=	devel python zope
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DIST_SUBDIR=	zope
 
 MAINTAINER=	zope@FreeBSD.org
 COMMENT=	Metaclass for subclassable extension types
 WWW=		https://pypi.org/project/ExtensionClass/
 
 LICENSE=	ZPL21
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 .include <bsd.port.mk>
diff --git a/devel/py-ExtensionClass/distinfo b/devel/py-ExtensionClass/distinfo
index f9846df21df7..ee3155cb6f7d 100644
--- a/devel/py-ExtensionClass/distinfo
+++ b/devel/py-ExtensionClass/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1514589764
-SHA256 (zope/ExtensionClass-4.3.0.tar.gz) = 213b3500b72eddea6644367eeec618971a64f6cc34f5ba1b2b9c22185ba8a0ed
-SIZE (zope/ExtensionClass-4.3.0.tar.gz) = 29643
+TIMESTAMP = 1706485929
+SHA256 (zope/ExtensionClass-5.1.tar.gz) = 21121c5e12721ddf8fb7af90c4199ef46ea5045e9ffa98d9e20cd7c98025e3da
+SIZE (zope/ExtensionClass-5.1.tar.gz) = 36053