diff --git a/math/amgcl/Makefile b/math/amgcl/Makefile
index eeec5352d3fb..a98d821290c6 100644
--- a/math/amgcl/Makefile
+++ b/math/amgcl/Makefile
@@ -1,28 +1,28 @@
 PORTNAME=	amgcl
-DISTVERSION=	1.4.0
+DISTVERSION=	1.4.2
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ header-only library for solving large sparse linear systems
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
 BUILD_DEPENDS=	boost-libs>0:devel/boost-libs
 RUN_DEPENDS=	${PREFIX}/include/boost/property_tree/ptree.hpp:devel/boost-libs
 
 USES=		cmake
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ddemidov
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 do-test:
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DAMGCL_BUILD_TESTS:BOOL=ON ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} test
 
 .include <bsd.port.mk>
diff --git a/math/amgcl/distinfo b/math/amgcl/distinfo
index 2fd0373bcb29..6fbdacc3b677 100644
--- a/math/amgcl/distinfo
+++ b/math/amgcl/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1610318779
-SHA256 (ddemidov-amgcl-1.4.0_GH0.tar.gz) = 018b824396494c8958faa6337cebcaba48a2584d828f279eef0bbf9e05f900a7
-SIZE (ddemidov-amgcl-1.4.0_GH0.tar.gz) = 2308383
+TIMESTAMP = 1627015886
+SHA256 (ddemidov-amgcl-1.4.2_GH0.tar.gz) = db0de6b75e6c205f44542c3ac8d9935c8357a58072963228d0bb11a54181aea8
+SIZE (ddemidov-amgcl-1.4.2_GH0.tar.gz) = 2693644
diff --git a/math/amgcl/pkg-plist b/math/amgcl/pkg-plist
index 44ba915683ec..858953289d52 100644
--- a/math/amgcl/pkg-plist
+++ b/math/amgcl/pkg-plist
@@ -1,132 +1,136 @@
 include/amgcl/adapter/block_matrix.hpp
 include/amgcl/adapter/complex.hpp
 include/amgcl/adapter/crs_builder.hpp
 include/amgcl/adapter/crs_tuple.hpp
 include/amgcl/adapter/eigen.hpp
 include/amgcl/adapter/epetra.hpp
 include/amgcl/adapter/reorder.hpp
 include/amgcl/adapter/scaled_problem.hpp
 include/amgcl/adapter/ublas.hpp
 include/amgcl/adapter/zero_copy.hpp
 include/amgcl/amg.hpp
 include/amgcl/backend/blaze.hpp
 include/amgcl/backend/block_crs.hpp
 include/amgcl/backend/builtin.hpp
 include/amgcl/backend/cuda.hpp
 include/amgcl/backend/detail/default_direct_solver.hpp
 include/amgcl/backend/detail/matrix_ops.hpp
 include/amgcl/backend/detail/mixing.hpp
 include/amgcl/backend/eigen.hpp
 include/amgcl/backend/hpx.hpp
 include/amgcl/backend/interface.hpp
+include/amgcl/backend/mkl.hpp
 include/amgcl/backend/vexcl.hpp
 include/amgcl/backend/vexcl_static_matrix.hpp
 include/amgcl/backend/viennacl.hpp
 include/amgcl/coarsening/aggregation.hpp
 include/amgcl/coarsening/detail/galerkin.hpp
 include/amgcl/coarsening/detail/scaled_galerkin.hpp
 include/amgcl/coarsening/plain_aggregates.hpp
 include/amgcl/coarsening/pointwise_aggregates.hpp
 include/amgcl/coarsening/rigid_body_modes.hpp
 include/amgcl/coarsening/ruge_stuben.hpp
 include/amgcl/coarsening/runtime.hpp
 include/amgcl/coarsening/smoothed_aggr_emin.hpp
 include/amgcl/coarsening/smoothed_aggregation.hpp
 include/amgcl/coarsening/tentative_prolongation.hpp
+include/amgcl/deflated_solver.hpp
 include/amgcl/detail/inverse.hpp
 include/amgcl/detail/qr.hpp
 include/amgcl/detail/sort_row.hpp
 include/amgcl/detail/spgemm.hpp
 include/amgcl/io/binary.hpp
+include/amgcl/io/ios_saver.hpp
 include/amgcl/io/mm.hpp
 include/amgcl/make_block_solver.hpp
 include/amgcl/make_solver.hpp
 include/amgcl/mpi/amg.hpp
 include/amgcl/mpi/block_preconditioner.hpp
 include/amgcl/mpi/coarsening/aggregation.hpp
 include/amgcl/mpi/coarsening/pmis.hpp
 include/amgcl/mpi/coarsening/runtime.hpp
 include/amgcl/mpi/coarsening/smoothed_aggregation.hpp
 include/amgcl/mpi/cpr.hpp
 include/amgcl/mpi/direct_solver/eigen_splu.hpp
 include/amgcl/mpi/direct_solver/pastix.hpp
 include/amgcl/mpi/direct_solver/runtime.hpp
 include/amgcl/mpi/direct_solver/skyline_lu.hpp
 include/amgcl/mpi/direct_solver/solver_base.hpp
 include/amgcl/mpi/distributed_matrix.hpp
 include/amgcl/mpi/inner_product.hpp
 include/amgcl/mpi/make_solver.hpp
 include/amgcl/mpi/partition/merge.hpp
 include/amgcl/mpi/partition/parmetis.hpp
 include/amgcl/mpi/partition/ptscotch.hpp
 include/amgcl/mpi/partition/runtime.hpp
 include/amgcl/mpi/partition/util.hpp
 include/amgcl/mpi/preconditioner.hpp
 include/amgcl/mpi/relaxation/as_preconditioner.hpp
 include/amgcl/mpi/relaxation/chebyshev.hpp
 include/amgcl/mpi/relaxation/damped_jacobi.hpp
 include/amgcl/mpi/relaxation/gauss_seidel.hpp
 include/amgcl/mpi/relaxation/ilu0.hpp
 include/amgcl/mpi/relaxation/iluk.hpp
+include/amgcl/mpi/relaxation/ilup.hpp
 include/amgcl/mpi/relaxation/ilut.hpp
 include/amgcl/mpi/relaxation/runtime.hpp
 include/amgcl/mpi/relaxation/spai0.hpp
 include/amgcl/mpi/relaxation/spai1.hpp
 include/amgcl/mpi/schur_pressure_correction.hpp
 include/amgcl/mpi/solver/bicgstab.hpp
 include/amgcl/mpi/solver/bicgstabl.hpp
 include/amgcl/mpi/solver/cg.hpp
 include/amgcl/mpi/solver/fgmres.hpp
 include/amgcl/mpi/solver/gmres.hpp
 include/amgcl/mpi/solver/idrs.hpp
 include/amgcl/mpi/solver/lgmres.hpp
 include/amgcl/mpi/solver/preonly.hpp
 include/amgcl/mpi/solver/richardson.hpp
 include/amgcl/mpi/solver/runtime.hpp
 include/amgcl/mpi/subdomain_deflation.hpp
 include/amgcl/mpi/util.hpp
 include/amgcl/perf_counter/clock.hpp
 include/amgcl/perf_counter/cray_energy.hpp
 include/amgcl/perf_counter/mpi_aggregator.hpp
 include/amgcl/preconditioner/cpr.hpp
 include/amgcl/preconditioner/cpr_drs.hpp
 include/amgcl/preconditioner/dummy.hpp
 include/amgcl/preconditioner/runtime.hpp
 include/amgcl/preconditioner/schur_pressure_correction.hpp
-include/amgcl/preconditioner/simple.hpp
 include/amgcl/profiler.hpp
 include/amgcl/relaxation/as_preconditioner.hpp
 include/amgcl/relaxation/chebyshev.hpp
 include/amgcl/relaxation/cusparse_ilu0.hpp
 include/amgcl/relaxation/damped_jacobi.hpp
 include/amgcl/relaxation/detail/ilu_solve.hpp
 include/amgcl/relaxation/gauss_seidel.hpp
 include/amgcl/relaxation/ilu0.hpp
 include/amgcl/relaxation/iluk.hpp
+include/amgcl/relaxation/ilup.hpp
 include/amgcl/relaxation/ilut.hpp
 include/amgcl/relaxation/runtime.hpp
 include/amgcl/relaxation/spai0.hpp
 include/amgcl/relaxation/spai1.hpp
 include/amgcl/reorder/cuthill_mckee.hpp
 include/amgcl/solver/bicgstab.hpp
 include/amgcl/solver/bicgstabl.hpp
 include/amgcl/solver/cg.hpp
 include/amgcl/solver/detail/default_inner_product.hpp
 include/amgcl/solver/detail/givens_rotations.hpp
 include/amgcl/solver/eigen.hpp
 include/amgcl/solver/fgmres.hpp
 include/amgcl/solver/gmres.hpp
 include/amgcl/solver/idrs.hpp
 include/amgcl/solver/lgmres.hpp
 include/amgcl/solver/precond_side.hpp
 include/amgcl/solver/preonly.hpp
 include/amgcl/solver/richardson.hpp
 include/amgcl/solver/runtime.hpp
 include/amgcl/solver/skyline_lu.hpp
 include/amgcl/util.hpp
 include/amgcl/value_type/complex.hpp
 include/amgcl/value_type/eigen.hpp
 include/amgcl/value_type/interface.hpp
 include/amgcl/value_type/static_matrix.hpp
 %%DATADIR%%/cmake/amgcl-config.cmake
 %%DATADIR%%/cmake/amgcl-targets.cmake