diff --git a/science/py-OpenMC/Makefile b/science/py-OpenMC/Makefile
index 0ff5a365f1e5..29468b66c9f0 100644
--- a/science/py-OpenMC/Makefile
+++ b/science/py-OpenMC/Makefile
@@ -1,48 +1,50 @@
 PORTNAME=	OpenMC
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.14.0
+DISTVERSION=	0.15.0
 CATEGORIES=	science
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Monte Carlo neutron and photon transport simulation code (Python)
 WWW=		https://openmc.org/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 PY_DEPENDS=	${PYNUMPY} \
 		${PYTHON_PKGNAMEPREFIX}h5py>0:science/py-h5py@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}ipython>0:devel/ipython@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}lxml>0:devel/py-lxml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>0:math/py-matplotlib@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pandas>0:math/py-pandas@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}uncertainties>0:math/py-uncertainties@${PY_FLAVOR}
 BUILD_DEPENDS=	openmc>0:science/openmc \
 		${PY_DEPENDS}
 RUN_DEPENDS=	openmc>0:science/openmc \
 		${PY_DEPENDS}
 
 USES=		python
 USE_PYTHON=	distutils cython concurrent autoplist pytest # tests fail and abort in the middle, see https://github.com/openmc-dev/openmc/issues/2186
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	${PORTNAME:tl}-dev
 GH_PROJECT=	${PORTNAME:tl}
 
 PLIST_FILES=	${PYTHON_SITELIBDIR}/openmc/lib/libopenmc.so
 
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 post-install:
 	# strip
 	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/openmc/data/*.so
 	# link the library
 	@${LN} -s ${LOCALBASE}/lib/libopenmc.so ${STAGEDIR}${PYTHON_SITELIBDIR}/openmc/lib/libopenmc.so
 
 pre-test:
 	# link the library
 	@if ! [ -e ${WRKSRC}/openmc/lib/libopenmc.so ]; then ${LN} -s ${LOCALBASE}/lib/libopenmc.so ${WRKSRC}/openmc/lib/libopenmc.so; fi
 
+# Some tests fail with the message: RuntimeError: No cross_sections.xml file was specified in materials.xml or in the OPENMC_CROSS_SECTIONS environment variable, see https://github.com/openmc-dev/openmc/issues/3053
+
 .include <bsd.port.mk>
diff --git a/science/py-OpenMC/distinfo b/science/py-OpenMC/distinfo
index 063af1eb9d18..e030d350f4f3 100644
--- a/science/py-OpenMC/distinfo
+++ b/science/py-OpenMC/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1712378391
-SHA256 (openmc-dev-openmc-v0.14.0_GH0.tar.gz) = 20ac92cc8d37a8c1180ae2df9f1dd1158f188cbf724ae64c9642db6199f3ee3f
-SIZE (openmc-dev-openmc-v0.14.0_GH0.tar.gz) = 6961858
+TIMESTAMP = 1719035695
+SHA256 (openmc-dev-openmc-v0.15.0_GH0.tar.gz) = 32517c1af1abee615e0b49330fd6eb6d704dd96d903b5b415091aea8aa52bbf0
+SIZE (openmc-dev-openmc-v0.15.0_GH0.tar.gz) = 7810068