diff --git a/math/py-scikit-umfpack/Makefile b/math/py-scikit-umfpack/Makefile
index f8a1e596980a..02051800513e 100644
--- a/math/py-scikit-umfpack/Makefile
+++ b/math/py-scikit-umfpack/Makefile
@@ -1,44 +1,45 @@
 PORTNAME=	scikit-umfpack
-DISTVERSION=	0.4.1
-PORTREVISION=	4
+DISTVERSION=	0.4.2
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 DISTNAME=	${PORTNAME:S/-/_/g}-${PORTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python interface to UMFPACK sparse direct solver
 WWW=		https://scikit-umfpack.github.io/scikit-umfpack/ \
 		https://github.com/scikit-umfpack/scikit-umfpack
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}meson-python>0:devel/meson-python@${PY_FLAVOR} \
 		${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR} \
 		swig:devel/swig
 LIB_DEPENDS=	libamd.so:math/suitesparse-amd \
 		libcblas.so:math/cblas \
 		libopenblas.so:math/openblas \
 		libumfpack.so:math/suitesparse-umfpack
 RUN_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR}
 
 USES=		fortran localbase:ldflags python
-USE_PYTHON=	pep517 cython autoplist pytest # tests fail, see https://github.com/scikit-umfpack/scikit-umfpack/issues/77
+USE_PYTHON=	pep517 cython3 autoplist pytest
+PEP517_BUILD_CONFIG_SETTING=	"-Cbuild-dir=_build"
 
 CFLAGS+=	-I/usr/local/include/suitesparse
 CXXFLAGS+=	-I/usr/local/include/suitesparse
 
-TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
-
 post-patch:
 	${REINPLACE_CMD} \
 		-e "s|swig_inc_args = \[\]|swig_inc_args = [\'-I${LOCALBASE}/include/suitesparse\']|" \
 		${WRKSRC}/scikits/umfpack/meson.build
 
 post-install:
-	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/scikits/umfpack/__umfpack${PYTHON_TAG}.so
+	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/scikits/umfpack/__umfpack${PYTHON_SOABI}.so
+
+pre-test:
+	${CP} -a ${WRKSRC}/_build/ ${WRKSRC}
 
 .include <bsd.port.mk>
diff --git a/math/py-scikit-umfpack/distinfo b/math/py-scikit-umfpack/distinfo
index 7da5e8029d69..516162d64fc1 100644
--- a/math/py-scikit-umfpack/distinfo
+++ b/math/py-scikit-umfpack/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1731041698
-SHA256 (scikit_umfpack-0.4.1.tar.gz) = 23a16750fbf866d32341ab3885fd59687bc9d5fbb9d372e50f6a968059604d59
-SIZE (scikit_umfpack-0.4.1.tar.gz) = 31845
+TIMESTAMP = 1767544887
+SHA256 (scikit_umfpack-0.4.2.tar.gz) = 7cd652e6559804a52379f4ff367cfad54d6f7a6fc65a5e0bd26d26a1282c3f64
+SIZE (scikit_umfpack-0.4.2.tar.gz) = 33827