diff --git a/math/py-arviz/Makefile b/math/py-arviz/Makefile
index fe64c69f2d58..3f9280537b0c 100644
--- a/math/py-arviz/Makefile
+++ b/math/py-arviz/Makefile
@@ -1,49 +1,35 @@
 PORTNAME=	arviz
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.23.1
-PORTREVISION=	1
+DISTVERSION=	1.0.0
 CATEGORIES=	math python
 #MASTER_SITES=	PYPI # missing test files
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Package for exploratory analysis of Bayesian models
 WWW=		https://python.arviz.org/en/stable/ \
 		https://github.com/arviz-devs/arviz
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dm-tree>=0.1.8:devel/py-dm-tree@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}matplotlib>=3.8:math/py-matplotlib@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}numpy1>=1.16:math/py-numpy1@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}packaging>0:devel/py-packaging@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pandas>=2.1.0:math/py-pandas@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}scipy>=1.11.0:science/py-scipy@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}h5netcdf>=1.0.2:science/py-h5netcdf@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}h5py>0:science/py-h5py@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}typing-extensions>=4.1.0:devel/py-typing-extensions@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}xarray>=2023.7.0:devel/py-xarray@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}xarray-einstats>=0.3:devel/py-xarray-einstats@${PY_FLAVOR}
-RUN_DEPENDS+=	${PYTHON_PKGNAMEPREFIX}cloudpickle>0:devel/py-cloudpickle@${PY_FLAVOR}
-TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numba>0:devel/py-numba@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pytest-cov>0:devel/py-pytest-cov@${PY_FLAVOR}
-#		${PYTHON_PKGNAMEPREFIX}pyro>0:devel/py-pyro@${PY_FLAVOR} \
-#		${PYTHON_PKGNAMEPREFIX}pytorch>0:misc/py-pytorch@${PY_FLAVOR}
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flit-core>0:devel/py-flit-core@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}arviz-base>=1.0.0:math/py-arviz-base@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}arviz-stats>=1.0.0:math/py-arviz-stats@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}arviz-plots>=1.0.0:math/py-arviz-plots@${PY_FLAVOR}
+TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest-cov>0:devel/py-pytest-cov@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	distutils autoplist pytest
+USE_PYTHON=	pep517 autoplist pytest
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	arviz-devs
 
 NO_ARCH=	yes
 
-TEST_ENV=	${MAKE_ENV} \
-		PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} \
-		DISPLAY=${DISPLAY} \
-		XAUTHORITY=${XAUTHORITY}
+TEST_ARGS=	-p no:benchmark -p no:xdist -p no:relaxed
 
-# tests as of 0.23.1: 2932 passed, 30 skipped, 147 warnings, 614 errors in 48.34s
+TEST_ENV=	${MAKE_ENV} \
+		PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 .include <bsd.port.mk>
diff --git a/math/py-arviz/distinfo b/math/py-arviz/distinfo
index c87256a7ea31..d8b88e833757 100644
--- a/math/py-arviz/distinfo
+++ b/math/py-arviz/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1768636966
-SHA256 (arviz-devs-arviz-v0.23.1_GH0.tar.gz) = 88718a9d8eaf29044617a675864aa153c9fdc33dddddcb855ffe327bd10daea3
-SIZE (arviz-devs-arviz-v0.23.1_GH0.tar.gz) = 11445076
+TIMESTAMP = 1776436995
+SHA256 (arviz-devs-arviz-v1.0.0_GH0.tar.gz) = 1e94dc492f230a2b766a5a7c05d259bf7b6df6e8a651556d72e071263eb4240e
+SIZE (arviz-devs-arviz-v1.0.0_GH0.tar.gz) = 4705693