diff --git a/science/arbor/Makefile b/science/arbor/Makefile
index cb774c521698..b0d9aeda07ea 100644
--- a/science/arbor/Makefile
+++ b/science/arbor/Makefile
@@ -1,46 +1,47 @@
 PORTNAME=	arbor
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.9.0
+DISTVERSION=	0.10.1
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multi-compartment neural network simulation library
 WWW=		https://arbor-sim.org/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_armv7=	compilation fails: unknown type name 'float64x2_t'
 
 BUILD_DEPENDS=	bash:shells/bash \
 		libfmt>0:devel/libfmt \
 		nlohmann-json>0:devel/nlohmann-json \
 		random123>0:devel/random123 \
 		${PYTHON_PKGNAMEPREFIX}svgwrite>0:graphics/py-svgwrite@${PY_FLAVOR}
 BUILD_DEPENDS+=	${LOCALBASE}/lib/cmake/GTest/GTestConfig.cmake:devel/googletest # https://github.com/arbor-sim/arbor/issues/2205
 LIB_DEPENDS=	libhwloc.so:devel/hwloc2 \
 		libpugixml.so:textproc/pugixml
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}svgwrite>0:graphics/py-svgwrite@${PY_FLAVOR}
 TEST_DEPENDS=	googletest>=0:devel/googletest
 
 USES=		cmake compiler:c++17-lang localbase python shebangfix
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	arbor-sim
+GH_TUPLE=	LLNL:units:7917f5f:units/ext/units
 
 SHEBANG_FILES=	scripts/arbor-build-catalogue
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_ARGS=	-DPython3_EXECUTABLE=${PYTHON_CMD}
 
 OPTIONS_DEFINE=		NATIVE
 
 NATIVE_CMAKE_ON=	-DARB_ARCH=native
 NATIVE_CMAKE_OFF=	-DARB_ARCH=none
 
 TEST_TARGET=	tests # tests fail to build, see https://github.com/arbor-sim/arbor/issues/2075
 
 post-install:
 	@${RMDIR} ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/science/arbor/distinfo b/science/arbor/distinfo
index 467206167c80..80f2fcad4032 100644
--- a/science/arbor/distinfo
+++ b/science/arbor/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1691736150
-SHA256 (arbor-sim-arbor-v0.9.0_GH0.tar.gz) = 920c7926453379d367c6c8bb01ff867c03e44e8a7a6a5655d5eaa3d692618ca1
-SIZE (arbor-sim-arbor-v0.9.0_GH0.tar.gz) = 10164524
+TIMESTAMP = 1723264051
+SHA256 (arbor-sim-arbor-v0.10.1_GH0.tar.gz) = 6a9a209dc20ab6edcf9847a70b0b4dbabf0c0d3c7e6e29b5bec7c00de9d7b8ae
+SIZE (arbor-sim-arbor-v0.10.1_GH0.tar.gz) = 10159032
+SHA256 (LLNL-units-7917f5f_GH0.tar.gz) = 5ea0edf7dfe48185c05f1fd455ef66a483fc5fa6d8586bef4e4b219ef0f3e378
+SIZE (LLNL-units-7917f5f_GH0.tar.gz) = 1878237
diff --git a/science/arbor/pkg-plist b/science/arbor/pkg-plist
index 4afab017bce6..db7fee5f5693 100644
--- a/science/arbor/pkg-plist
+++ b/science/arbor/pkg-plist
@@ -1,119 +1,125 @@
 bin/arbor-build-catalogue
 bin/lmorpho
 bin/modcc
 include/arbor/arb_types.h
 include/arbor/arb_types.hpp
 include/arbor/arb_types.inc
 include/arbor/arbexcept.hpp
 include/arbor/assert.hpp
 include/arbor/assert_macro.hpp
 include/arbor/benchmark_cell.hpp
 include/arbor/cable_cell.hpp
 include/arbor/cable_cell_param.hpp
 include/arbor/common_types.hpp
 include/arbor/communication/mpi_error.hpp
 include/arbor/communication/remote.hpp
 include/arbor/constants.hpp
 include/arbor/context.hpp
 include/arbor/cv_policy.hpp
 include/arbor/domain_decomposition.hpp
 include/arbor/domdecexcept.hpp
 include/arbor/event_generator.hpp
 include/arbor/export.hpp
 include/arbor/fvm_types.hpp
 include/arbor/generic_event.hpp
 include/arbor/gpu/cuda_api.hpp
 include/arbor/gpu/gpu_api.hpp
 include/arbor/gpu/gpu_common.hpp
 include/arbor/gpu/hip_api.hpp
 include/arbor/gpu/math_cu.hpp
 include/arbor/gpu/reduce_by_key.hpp
 include/arbor/iexpr.hpp
 include/arbor/lif_cell.hpp
 include/arbor/load_balance.hpp
 include/arbor/math.hpp
 include/arbor/mechanism.hpp
 include/arbor/mechanism_abi.h
 include/arbor/mechcat.hpp
 include/arbor/mechinfo.hpp
 include/arbor/morph/cv_data.hpp
 include/arbor/morph/embed_pwlin.hpp
 include/arbor/morph/isometry.hpp
 include/arbor/morph/label_dict.hpp
 include/arbor/morph/locset.hpp
 include/arbor/morph/mcable_map.hpp
 include/arbor/morph/morphexcept.hpp
 include/arbor/morph/morphology.hpp
 include/arbor/morph/mprovider.hpp
 include/arbor/morph/place_pwlin.hpp
 include/arbor/morph/primitives.hpp
 include/arbor/morph/region.hpp
 include/arbor/morph/segment_tree.hpp
 include/arbor/morph/stitch.hpp
+include/arbor/network.hpp
+include/arbor/network_generation.hpp
 include/arbor/profile/clock.hpp
 include/arbor/profile/meter.hpp
 include/arbor/profile/meter_manager.hpp
 include/arbor/profile/profiler.hpp
 include/arbor/profile/timer.hpp
 include/arbor/recipe.hpp
 include/arbor/s_expr.hpp
 include/arbor/sampling.hpp
 include/arbor/schedule.hpp
 include/arbor/serdes.hpp
 include/arbor/simd/approx.hpp
 include/arbor/simd/avx.hpp
 include/arbor/simd/avx512.hpp
 include/arbor/simd/generic.hpp
 include/arbor/simd/implbase.hpp
 include/arbor/simd/native.hpp
 include/arbor/simd/neon.hpp
 include/arbor/simd/simd.hpp
 include/arbor/simd/simd_io.hpp
 include/arbor/simd/sve.hpp
 include/arbor/simd/sve_bits.hpp
 include/arbor/simd/vls_sve.hpp
 include/arbor/simd/vls_sve_bits.hpp
 include/arbor/simple_sampler.hpp
 include/arbor/simulation.hpp
 include/arbor/spike.hpp
 include/arbor/spike_event.hpp
 include/arbor/spike_source_cell.hpp
 include/arbor/symmetric_recipe.hpp
+include/arbor/units.hpp
 include/arbor/util/any_cast.hpp
 include/arbor/util/any_ptr.hpp
 include/arbor/util/any_visitor.hpp
 include/arbor/util/compat.hpp
 include/arbor/util/expected.hpp
 include/arbor/util/extra_traits.hpp
 include/arbor/util/handle_set.hpp
 include/arbor/util/hash_def.hpp
 include/arbor/util/lexcmp_def.hpp
 include/arbor/util/pp_util.hpp
 include/arbor/util/scope_exit.hpp
 include/arbor/util/typed_map.hpp
 include/arbor/util/uninitialized.hpp
 include/arbor/util/unique_any.hpp
 include/arbor/util/visibility.hpp
 include/arbor/version.hpp
 include/arborenv/arbenvexcept.hpp
 include/arborenv/concurrency.hpp
 include/arborenv/default_env.hpp
 include/arborenv/export.hpp
 include/arborenv/gpu_env.hpp
 include/arborenv/with_mpi.hpp
 include/arborio/cableio.hpp
 include/arborio/cv_policy_parse.hpp
 include/arborio/export.hpp
 include/arborio/json_serdes.hpp
 include/arborio/label_parse.hpp
+include/arborio/loaded_morphology.hpp
+include/arborio/networkio.hpp
 include/arborio/neurolucida.hpp
 include/arborio/neuroml.hpp
 include/arborio/swcio.hpp
 lib/cmake/arbor/arbor-config-version.cmake
 lib/cmake/arbor/arbor-config.cmake
 lib/cmake/arbor/arbor-targets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/arbor/arbor-targets.cmake
 lib/libarbor.so
 lib/libarborenv.so
 lib/libarborio.so
+lib/libunits.a
 %%DATADIR%%/BuildModules.cmake