diff --git a/math/py-logical-unification/Makefile b/math/py-logical-unification/Makefile
index 090111e405eb..f1250e50b3b0 100644
--- a/math/py-logical-unification/Makefile
+++ b/math/py-logical-unification/Makefile
@@ -1,29 +1,35 @@
 PORTNAME=	logical-unification
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.4.6
-PORTREVISION=	1
+DISTVERSION=	0.4.7
 CATEGORIES=	math python
 #MASTER_SITES=	PYPI # no tests
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Logical unification in Python
 WWW=		https://github.com/pythological/unification/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
-BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}versioneer>0:devel/py-versioneer@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}setuptools>=0:devel/py-setuptools@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}setuptools-scm>=0:devel/py-setuptools-scm@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}wheel>=0:devel/py-wheel@${PY_FLAVOR}
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}multipledispatch>0:devel/py-multipledispatch@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}toolz>0:devel/py-toolz@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	distutils autoplist pytest
+USE_PYTHON=	autoplist pep517 pytest
+
+MAKE_ENV=	SETUPTOOLS_SCM_PRETEND_VERSION=${DISTVERSION}
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest-benchmark>0:devel/py-pytest-benchmark@${PY_FLAVOR}
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	pythological
 GH_PROJECT=	unification
 
 NO_ARCH=	yes
 
+# tests as of 0.4.7: 58 passed, 1 xfailed in 16.04s
+
 .include <bsd.port.mk>
diff --git a/math/py-logical-unification/distinfo b/math/py-logical-unification/distinfo
index 8a6784b13713..6df4cd971714 100644
--- a/math/py-logical-unification/distinfo
+++ b/math/py-logical-unification/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1687308754
-SHA256 (pythological-unification-v0.4.6_GH0.tar.gz) = db8a44a38d2c459b796fd0d8163505ce198c1e98bced1ed7df2d0b3125efe655
-SIZE (pythological-unification-v0.4.6_GH0.tar.gz) = 47171
+TIMESTAMP = 1780789395
+SHA256 (pythological-unification-v0.4.7_GH0.tar.gz) = 82fd074925ed0ba7674228a4c9a07611ab90e55ba1e266a9d24811ab5656618d
+SIZE (pythological-unification-v0.4.7_GH0.tar.gz) = 24199
diff --git a/math/py-logical-unification/files/patch-pyproject.toml b/math/py-logical-unification/files/patch-pyproject.toml
new file mode 100644
index 000000000000..4273ce6b99b0
--- /dev/null
+++ b/math/py-logical-unification/files/patch-pyproject.toml
@@ -0,0 +1,18 @@
+--- pyproject.toml.orig	2026-06-06 23:44:38 UTC
++++ pyproject.toml
+@@ -1,5 +1,5 @@
+ [build-system]
+-requires = ["setuptools>=80.0.0", "setuptools-scm"]
++requires = ["setuptools>=63", "setuptools-scm"]
+ build-backend = "setuptools.build_meta"
+ 
+ [project]
+@@ -7,7 +7,7 @@ readme = "README.md"
+ dynamic = ["version"]
+ description = "Logical unification in Python"
+ readme = "README.md"
+-license = "BSD-3-Clause"
++license = {text = "BSD-3-Clause"}
+ authors = [
+     { name = "Brandon T. Willard", email = "brandonwillard+unification@gmail.com" },
+ ]