diff --git a/astro/py-extension-helpers/Makefile b/astro/py-extension-helpers/Makefile
index cc3a92506d42..c60fc2278378 100644
--- a/astro/py-extension-helpers/Makefile
+++ b/astro/py-extension-helpers/Makefile
@@ -1,24 +1,25 @@
 PORTNAME=	extension-helpers
 DISTVERSION=	1.4.0
+PORTREVISION=	1
 CATEGORIES=	astro
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	extension_helpers-${DISTVERSION}
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Building and installing packages in the Astropy ecosystem
 WWW=		https://extension-helpers.readthedocs.io/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.rst
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}setuptools-scm>=0:devel/py-setuptools-scm@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist pep517
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/astro/py-extension-helpers/files/patch-pyproject.toml b/astro/py-extension-helpers/files/patch-pyproject.toml
new file mode 100644
index 000000000000..0e3f5058d60c
--- /dev/null
+++ b/astro/py-extension-helpers/files/patch-pyproject.toml
@@ -0,0 +1,11 @@
+--- pyproject.toml.orig	2026-07-03 09:45:00 UTC
++++ pyproject.toml
+@@ -18,7 +18,7 @@ dependencies = [
+ ]
+ requires-python = ">=3.10"
+ dependencies = [
+-    "setuptools>=64",
++    "setuptools>=63",
+     "tomli>=1.0.0 ; python_version < '3.11'",
+ ]
+ dynamic = ["version"]