diff --git a/science/py-dwave-samplers/Makefile b/science/py-dwave-samplers/Makefile
index 32796c769500..ed3fa8ec2cec 100644
--- a/science/py-dwave-samplers/Makefile
+++ b/science/py-dwave-samplers/Makefile
@@ -1,51 +1,43 @@
 PORTNAME=	dwave-samplers
-DISTVERSION=	1.7.0
-PORTREVISION=	2
+DISTVERSION=	1.8.0
 CATEGORIES=	science python # quantum-computing
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	DWave: Classical algorithms for solving binary quadratic models
 WWW=		https://github.com/dwavesystems/dwave-samplers
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-PY_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dimod>=0.12.13:science/py-dimod@${PY_FLAVOR} \
+BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dimod>=0.12.21:science/py-dimod@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}meson-python>=0.18.0:devel/meson-python@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}ninja>=1.13.0:devel/py-ninja@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}numpy>=1.21.6:math/py-numpy@${PY_FLAVOR} \
+		meson:devel/meson
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}dimod>=0.12.21:science/py-dimod@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}networkx>=3.0:math/py-networkx@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}numpy>=1.16:math/py-numpy@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}reno>0:textproc/py-reno@${PY_FLAVOR}
-BUILD_DEPENDS=	${PY_DEPENDS}
-RUN_DEPENDS=	${PY_DEPENDS}
+		${PYTHON_PKGNAMEPREFIX}numpy>=1.21.6:math/py-numpy@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}parameterized>0:devel/py-parameterized@${PY_FLAVOR}
 
 USES=		python
-USE_PYTHON=	autoplist cython distutils unittest # 2 tests fail, see https://github.com/dwavesystems/dwave-samplers/issues/66
+USE_PYTHON=	autoplist cython pep517
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	dwavesystems
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 TEST_WRKSRC=	${WRKSRC}/tests
 
 post-install:
-	# fix file paths, workaround for https://github.com/dwavesystems/dwave-samplers/issues/31
-	@cd ${STAGEDIR}${PYTHON_SITELIBDIR} && ( \
-		for f in `${FIND} samplers -name "*.so"`; do \
-			${MV} $$f dwave/$$f; \
-		done; \
-		${RM} -r samplers; \
-	)
 	# strip binaries
 	@${FIND} ${STAGEDIR}${PYTHON_SITELIBDIR}/dwave/samplers -name "*${PYTHON_TAG}.so" | ${XARGS} ${STRIP_CMD}
 	# remove conflicting __init__.py, see https://github.com/dwavesystems/dwave-system/issues/462
 	@${RM} -r \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/dwave/__init__.py \
 		${STAGEDIR}${PYTHON_SITELIBDIR}/dwave/__pycache__
 
 post-test:
 	@${SETENV} ${TEST_ENV} ${PYTHON_CMD} ${FILESDIR}/example.py
 
-# tests as of 1.6.0: Ran 522 tests in 102.085s
-
 .include <bsd.port.mk>
diff --git a/science/py-dwave-samplers/distinfo b/science/py-dwave-samplers/distinfo
index 70bf06f17ace..ddfdea266ec8 100644
--- a/science/py-dwave-samplers/distinfo
+++ b/science/py-dwave-samplers/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1774983277
-SHA256 (dwavesystems-dwave-samplers-1.7.0_GH0.tar.gz) = 843dbdf90318e6b503a1fb4ea697bad6a53f942a4683a584e55bdf3837c913d3
-SIZE (dwavesystems-dwave-samplers-1.7.0_GH0.tar.gz) = 193422
+TIMESTAMP = 1782228818
+SHA256 (dwavesystems-dwave-samplers-1.8.0_GH0.tar.gz) = 2bd30a06c7363c7c28e74dfd1e5d56b9e41068904ab7a1752369b16f3bd219cd
+SIZE (dwavesystems-dwave-samplers-1.8.0_GH0.tar.gz) = 184161
diff --git a/science/py-dwave-samplers/files/patch-pyproject.toml b/science/py-dwave-samplers/files/patch-pyproject.toml
new file mode 100644
index 000000000000..887bd5fb9e4e
--- /dev/null
+++ b/science/py-dwave-samplers/files/patch-pyproject.toml
@@ -0,0 +1,24 @@
+-- Relax version requirements for dimod and meson-python to match versions available in the ports tree.
+--- pyproject.toml.orig	2026-06-23 15:37:58 UTC
++++ pyproject.toml
+@@ -2,9 +2,9 @@ requires = [
+ requires = [
+     # Same as dependency-groups.build
+     "cython~=3.2.0",
+-    "dimod==0.12.21",  # oldest dimod that supports Python 3.14
++    "dimod>=0.12.21",  # oldest dimod that supports Python 3.14
+     "meson~=1.10.2",  # latest as of March 2026
+-    "meson-python~=0.19.0",  # latest as of March 2026
++    "meson-python>=0.18.0",  # latest as of March 2026
+     "ninja~=1.13.0",  # latest as of March 2026
+     "numpy~=2.0",
+ ]
+@@ -54,7 +54,7 @@ build = [
+ build = [
+     # Same as build-system.requires
+     "cython~=3.2.0",
+-    "dimod==0.12.21",
++    "dimod>=0.12.21",
+     "meson~=1.9.0",
+     "meson-python~=0.18.0",
+     "ninja~=1.13.0",