diff --git a/math/moab/Makefile b/math/moab/Makefile
index 3456fa68b3dd..b0f5aeb230d8 100644
--- a/math/moab/Makefile
+++ b/math/moab/Makefile
@@ -1,47 +1,51 @@
 PORTNAME=	moab
-DISTVERSION=	5.5.1
-PORTREVISION=	3
+DISTVERSION=	5.6.0
 CATEGORIES=	math
 MASTER_SITES=	https://bitbucket.org/${BB_ACCOUNT}/${BB_PROJECT}/get/${BB_COMMIT}.tar.gz?dummy=/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Component for representing and evaluating mesh data
-WWW=		https://press3.mcs.anl.gov/sigma/moab-library/
+WWW=		https://sigma.mcs.anl.gov/moab-library/ \
+		https://bitbucket.org/fathomteam/moab/src/master/
 
 LICENSE=	LGPL3+
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libhdf5.so:science/hdf5 \
 		libnetcdf.so:science/netcdf \
 		libopenblas.so:math/openblas
 
-USES=		cmake eigen:3 fortran
+USES=		cmake:testing eigen:3 fortran
 USE_LDCONFIG=	yes
 
 CMAKE_ARGS=	-DBLAS_LIBRARIES:STRING=${LOCALBASE}/lib/libopenblas.so \
 		-DLAPACK_LIBRARIES:STRING=${LOCALBASE}/lib/libopenblas.so \
 		-DFREEBSD_STAGEDIR:STRING=${STAGEDIR}
+CMAKE_OFF=		ENABLE_TESTING
+CMAKE_TESTING_ON=	ENABLE_TESTING
 
 BB_ACCOUNT=	fathomteam
 BB_PROJECT=	${PORTNAME}
-BB_COMMIT=	0c84f0d50f3f
+BB_COMMIT=	3fa8ae9e8025
 
 WRKSRC=		${WRKDIR}/${BB_ACCOUNT}-${BB_PROJECT}-${BB_COMMIT}
 
 OPTIONS_DEFINE=		MPI
 OPTIONS_DEFAULT=	MPI
 OPTIONS_SUB=		yes
 
 MPI_CMAKE_BOOL=		ENABLE_MPI
 MPI_LIB_DEPENDS=	libmpi_cxx.so:net/openmpi4
 MPI_VARS=		CXX=${LOCALBASE}/mpi/openmpi/bin/mpic++ CC=${LOCALBASE}/mpi/openmpi/bin/mpicc
 MPI_VARS+=		CONFLICTS_BUILD=mpich # otherwise bin/hexmodops gets linked with libmpi.so:net/mpich
 MPI_VARS_OFF=		USES+=compiler:c++11-lang
 
 post-install:
 	# docs are just readmes
 	@${RM} -r ${STAGEDIR}${DOCSDIR}
 	# examples are installed into a wrong location, maybe fix them later?
 	@${RM} -r ${STAGEDIR}${PREFIX}/share/examples
 
+# tests as of 5.6.0: 98% tests passed, 1 tests failed out of 52 (the bitnucket issues page says that they will disappear soon, which is weird, so we coundn't report the test failure)
+
 .include <bsd.port.mk>
diff --git a/math/moab/distinfo b/math/moab/distinfo
index f9c4688f2913..dc45479fbcb1 100644
--- a/math/moab/distinfo
+++ b/math/moab/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1714146317
-SHA256 (moab-5.5.1.tar.gz) = 598a9e72b0d03cf487c49aee2defb60ab5c19bd9194de9a3134f0fd04d376f13
-SIZE (moab-5.5.1.tar.gz) = 19527072
+TIMESTAMP = 1786053433
+SHA256 (moab-5.6.0.tar.gz) = db7ad8a2d0069b8446225ec7fb71e034a0e8698508680804965c95c3b1bb944e
+SIZE (moab-5.6.0.tar.gz) = 20435759
diff --git a/math/moab/pkg-plist b/math/moab/pkg-plist
index 2bf7abe3d9b6..bdde2cb5b44c 100644
--- a/math/moab/pkg-plist
+++ b/math/moab/pkg-plist
@@ -1,130 +1,133 @@
 bin/hexmodops
 bin/mbconvert
 bin/mbdepth
 bin/mbgsets
 bin/mbhonodes
 bin/mbmem
 bin/mbmerge
 bin/mbquality
 bin/mbsize
 bin/mbskin
 bin/mbslavepart
 bin/mbsurfplot
 bin/mbtagprop
 bin/mbumr
 bin/spheredecomp
 include/MBCN.h
 include/MBCN_protos.h
 include/MBEntityType.h
 %%MPI%%include/MBParallelConventions.h
 include/MBTagConventions.hpp
-include/iBase.h
-include/iBase_f.h
 include/imoab.mod
+include/mbcoupler/Coupler.hpp
+include/mbcoupler/ElemUtil.hpp
 include/moab/AdaptiveKDTree.hpp
 include/moab/BSPTree.hpp
 include/moab/BSPTreePoly.hpp
 include/moab/BVHTree.hpp
 include/moab/BoundBox.hpp
 include/moab/CN.hpp
 include/moab/CartVect.hpp
 include/moab/Compiler.hpp
 include/moab/Core.hpp
 include/moab/CpuTimer.hpp
 include/moab/DiscreteGeometry/DGMSolver.hpp
 include/moab/DiscreteGeometry/HiReconstruction.hpp
 include/moab/DualTool.hpp
 include/moab/ElemEvaluator.hpp
 include/moab/EntityHandle.hpp
 include/moab/EntityType.hpp
 include/moab/Error.hpp
 include/moab/ErrorHandler.hpp
 include/moab/ExoIIInterface.hpp
 include/moab/FBEngine.hpp
 include/moab/FileOptions.hpp
 include/moab/FindPtFuncs.h
 include/moab/Forward.hpp
 include/moab/GeomQueryTool.hpp
 include/moab/GeomTopoTool.hpp
 include/moab/GeomUtil.hpp
 include/moab/HalfFacetRep.hpp
 include/moab/HigherOrderFactory.hpp
 include/moab/HomXform.hpp
 include/moab/Interface.hpp
 include/moab/IntxMesh/Intx2Mesh.hpp
+include/moab/IntxMesh/Intx2MeshEdges.hpp
 include/moab/IntxMesh/Intx2MeshInPlane.hpp
 include/moab/IntxMesh/Intx2MeshOnSphere.hpp
 include/moab/IntxMesh/IntxRllCssphere.hpp
 include/moab/IntxMesh/IntxUtils.hpp
 include/moab/LloydSmoother.hpp
 include/moab/LocalDiscretization/LinearHex.hpp
 include/moab/LocalDiscretization/LinearQuad.hpp
 include/moab/LocalDiscretization/LinearTet.hpp
 include/moab/LocalDiscretization/LinearTri.hpp
 include/moab/LocalDiscretization/QuadraticHex.hpp
 include/moab/MOABConfig.h
 include/moab/Matrix3.hpp
 include/moab/MergeMesh.hpp
 include/moab/MeshGeneration.hpp
 include/moab/MeshTopoUtil.hpp
 include/moab/NestedRefine.hpp
 include/moab/NestedRefineTemplates.hpp
 include/moab/OrientedBox.hpp
 include/moab/OrientedBoxTreeTool.hpp
 %%MPI%%include/moab/ParCommGraph.hpp
 %%MPI%%include/moab/ParallelComm.hpp
 %%MPI%%include/moab/ParallelData.hpp
 %%MPI%%include/moab/ParallelMergeMesh.hpp
 include/moab/PartitionerBase.hpp
 %%MPI%%include/moab/ProcConfig.hpp
 include/moab/ProgOptions.hpp
 include/moab/Range.hpp
 include/moab/RangeMap.hpp
 include/moab/ReadUtilIface.hpp
 include/moab/ReaderIface.hpp
 include/moab/ReaderWriterSet.hpp
 include/moab/ReorderTool.hpp
 include/moab/ScdInterface.hpp
 include/moab/SetIterator.hpp
 include/moab/Skinner.hpp
 include/moab/SpatialLocator.hpp
 include/moab/SpatialLocatorTimes.hpp
 include/moab/SpectralMeshTool.hpp
 include/moab/Tree.hpp
 include/moab/TreeStats.hpp
 include/moab/TupleList.hpp
 include/moab/Types.hpp
 include/moab/UnknownInterface.hpp
 include/moab/Util.hpp
 include/moab/VtkUtil.hpp
 include/moab/WriteUtilIface.hpp
 include/moab/WriterIface.hpp
 %%MPI%%include/moab/gs.hpp
 include/moab/iMOAB.h
 include/moab/mhdf_public.h
 include/moab/point_locater/element_maps/linear_hex_map.hpp
 include/moab/point_locater/element_maps/linear_tet_map.hpp
 include/moab/point_locater/element_maps/quadratic_hex_map.hpp
 include/moab/point_locater/element_maps/spectral_hex_map.hpp
 include/moab/point_locater/io.hpp
 include/moab/point_locater/parametrizer.hpp
 include/moab/point_locater/point_locater.hpp
 include/moab/point_locater/tree/bvh_tree.hpp
 include/moab/point_locater/tree/common_tree.hpp
 include/moab/point_locater/tree/element_tree.hpp
 include/moab/verdict.h
 include/moab/verdict/VerdictWrapper.hpp
 include/moab/win32_config.h
 include/moab_export.h
 %%MPI%%include/moab_mpi.h
 %%MPI%%include/moab_mpi_config.h
 lib/cmake/MOAB/MOABConfig.cmake
+lib/cmake/MOAB/MOABConfigVersion.cmake
 lib/cmake/MOAB/MOABTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/MOAB/MOABTargets.cmake
 lib/cmake/MOAB/ResolveCompilerPaths.cmake
 lib/libMOAB.so
 lib/libMOAB.so.5
-lib/libMOAB.so.5.5.1
+lib/libMOAB.so.5.6.0
+lib/libmbcoupler.so
 lib/moab.make
 libdata/pkgconfig/MOAB.pc
 share/man/man1/mbconvert.1.gz