diff --git a/science/gromacs/Makefile b/science/gromacs/Makefile
index 60d8a4dd052f..b3d436050e5b 100644
--- a/science/gromacs/Makefile
+++ b/science/gromacs/Makefile
@@ -1,128 +1,123 @@
 PORTNAME=	gromacs
-DISTVERSION=	2024.2
+DISTVERSION=	2024.3
 CATEGORIES=	science
 MASTER_SITES=	https://ftp.gromacs.org/pub/gromacs/
 DISTFILES=	${DISTNAME}${EXTRACT_SUFX} # only for googletest
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Compute molecular dynamics
 WWW=		https://www.gromacs.org/
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BROKEN_i386=	undefined reference to `__atomic_load' and `__atomic_compare_exchange' #`
 
 BUILD_DEPENDS=	boost-libs>=1.44:devel/boost-libs
 
 USES=		cmake compiler:c++17-lang gnome pathfix perl5 pkgconfig \
 		python:build shebangfix
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	nodefault
-GH_TUPLE=	google:googletest:v1.13.0:googletest
 
 SHEBANG_FILES=	admin/*.sh scripts/*.pl scripts/*.sh src/gromacs/selection/*.sh
 bash_CMD=	${SH}
 
 CMAKE_OFF=	GMX_USE_RDTSCP \
 		USE_PYTHON_SCRIPTS
 CMAKE_ARGS=	-DPython_EXECUTABLE=${PYTHON_CMD} \
 		-DPython3_EXECUTABLE=${PYTHON_CMD}
 
 TEST_TARGET=	check
 
 OPTIONS_DEFINE=		ATLAS FLOAT HWLOC LEGACY SIMD
 OPTIONS_SINGLE=		MP OPENCL
 OPTIONS_SINGLE_MP=	NOMP MPICH OPENMPI THREAD_MPI
 OPTIONS_SINGLE_OPENCL=	OPENCL_NONE OPENCL_ICD OPENCL_SYCL
 OPTIONS_DEFAULT=	HWLOC LEGACY OPENCL_NONE THREAD_MPI # FLOAT should not be a default because science/votca needs double precision. This is likely the same for many other uses.
 OPTIONS_SUB=		yes
 
 .if exists(/usr/include/omp.h)
 OPTIONS_DEFINE+=	OPENMP
 OPTIONS_DEFAULT+=	OPENMP
 .else
 CMAKE_OFF+=		GMX_OPENMP
 .endif
 
 ATLAS_DESC=		Use ATLAS for BLAS and LAPACK
 ATLAS_USES=		blaslapack:atlas
 ATLAS_USES_OFF=		blaslapack
 ATLAS_CMAKE_ON=		-DBLAS_LIBRARIES:FILEPATH="${LOCALBASE}/lib/libcblas.so;${LOCALBASE}/lib/libf77blas.so" \
 			-DLAPACK_LIBRARIES:FILEPATH="${LOCALBASE}/lib/libalapack.so"
 ATLAS_CMAKE_OFF=	-DBLAS_LIBRARIES:FILEPATH="${LOCALBASE}/lib/libblas.so" \
 			-DLAPACK_LIBRARIES:FILEPATH="${LOCALBASE}/lib/liblapack.so"
 
 FLOAT_DESC=		Use single instead of double precision
 FLOAT_BUILD_DEPENDS=	fftw3>0:math/fftw3
 FLOAT_LIB_DEPENDS=	libfftw3f.so:math/fftw3-float
 FLOAT_LIB_DEPENDS_OFF=	libfftw3.so:math/fftw3
 FLOAT_CMAKE_ON=		-DGMX_DOUBLE:BOOL=OFF
 FLOAT_CMAKE_OFF=	-DGMX_DOUBLE:BOOL=ON
 FLOAT_PLIST_SUB=	SUFFIX_D=""
 FLOAT_PLIST_SUB_OFF=	SUFFIX_D="_d"
 
 HWLOC_DESC=		Build with HWLOC2, portable hardware locality package
 HWLOC_CMAKE_BOOL=	GMX_HWLOC
 HWLOC_LIB_DEPENDS=	libhwloc.so:devel/hwloc2
 
 LEGACY_DESC=		Install legacy API # expected by science/votca
 LEGACY_CMAKE_BOOL=	GMX_INSTALL_LEGACY_API
 
 OPENCL_NONE_DESC=	No OpenCL
 OPENCL_NONE_CMAKE_ON=	-DGMX_GPU:STRING=OFF # one of: OFF, CUDA, OpenCL, SYCL
 
 OPENCL_ICD_DESC=	OpenCL via Installable Client Driver
 OPENCL_ICD_CMAKE_ON=	-DGMX_GPU:STRING=OpenCL -DGMX_GPU:STRING=OpenCL
 OPENCL_ICD_LIB_DEPENDS=	libOpenCL.so:devel/ocl-icd \
 			libclFFT.so:math/clfft
 OPENCL_ICD_IMPLIES=	FLOAT
 
 OPENCL_SYCL_DESC=	OpenCL via the OpenSYCL implementation of SYCL
 OPENCL_SYCL_USES=	localbase
 OPENCL_SYCL_CMAKE_ON=	-DGMX_GPU:STRING=OpenCL -DGMX_GPU:STRING=SYCL -DGMX_SYCL_HIPSYCL=ON
 OPENCL_SYCL_LIB_DEPENDS=	libhipSYCL-rt.so:lang/opensycl
 OPENCL_SYCL_IMPLIES=	FLOAT
 OPENCL_SYCL_BROKEN=	configure uses a wrong namespace to find CYCL, see https://gitlab.com/gromacs/gromacs/-/issues/4838
 
 SIMD_CMAKE_OFF=		-DGMX_SIMD:STRING="None"
 SIMD_CMAKE_ON=		-DGMX_SIMD:STRING="AUTO"
 
 MP_DESC=		Multiprocessing
 
 NOMP_DESC=		No multiprocessing support
 NOMP_PLIST_SUB=		SUFFIX_MPI=""
 
 MPICH_LIB_DEPENDS=	libmpich.so:net/mpich
 MPICH_CMAKE_ON=		-DGMX_MPI:BOOL=ON \
 			-DMPI_C_COMPILER:FILEPATH="${LOCALBASE}/bin/mpicc"
 MPICH_PLIST_SUB=	SUFFIX_MPI="_mpi"
 
 OPENMP_CMAKE_BOOL=	GMX_OPENMP
 
 OPENMPI_BUILD_DEPENDS=	openmpi>0:net/openmpi
 OPENMPI_RUN_DEPENDS=	openmpi>0:net/openmpi
 OPENMPI_CMAKE_ON=	-DGMX_MPI:BOOL=ON \
 			-DMPI_C_COMPILER:FILEPATH="${LOCALBASE}/mpi/openmpi/bin/mpicc"
 OPENMPI_PLIST_SUB=	SUFFIX_MPI="_mpi"
 
 THREAD_MPI_DESC=	Build a thread-MPI-based multithreaded version of GROMACS
 THREAD_MPI_CMAKE_BOOL=	GMX_THREAD_MPI
 THREAD_MPI_PLIST_SUB=	SUFFIX_MPI=""
 
-post-extract: # replace outdated bundled googletest with a newer version to fix tests build, see https://gitlab.com/gromacs/gromacs/-/issues/4825
-	@${RM} -r ${WRKSRC}/src/external/googletest
-	@${RLN} ${WRKSRC_googletest} ${WRKSRC}/src/external/googletest
-
 post-patch:
 	@${FIND} ${WRKSRC} -name "GMXRC.*" | ${XARGS} ${REINPLACE_CMD} -e \
 		's|LDLIB/pkgconfig|LDLIB/../libdata/pkgconfig| ; \
 		 s|LDLIB}/pkgconfig|LDLIB}/../libdata/pkgconfig|'
 	@${REINPLACE_CMD} -e '/CMAKE_REQUIRED_LIBRARIES/d' \
 		${WRKSRC}/cmake/gmxTestdlopen.cmake
 
-# tests fail to compile, see https://gitlab.com/gromacs/gromacs/-/issues/5046
+# tests fail to compile, see https://gitlab.com/gromacs/gromacs/-/issues/5141
 
 .include <bsd.port.mk>
diff --git a/science/gromacs/distinfo b/science/gromacs/distinfo
index 02919da2bde2..1738818371f6 100644
--- a/science/gromacs/distinfo
+++ b/science/gromacs/distinfo
@@ -1,5 +1,3 @@
-TIMESTAMP = 1715436343
-SHA256 (gromacs-2024.2.tar.gz) = 802a7e335f2e895770f57b159e4ec368ebb0ff2ce6daccf706c6e8025c36852b
-SIZE (gromacs-2024.2.tar.gz) = 42367929
-SHA256 (google-googletest-v1.13.0_GH0.tar.gz) = ad7fdba11ea011c1d925b3289cf4af2c66a352e18d4c7264392fead75e919363
-SIZE (google-googletest-v1.13.0_GH0.tar.gz) = 862871
+TIMESTAMP = 1725918871
+SHA256 (gromacs-2024.3.tar.gz) = bbda056ee59390be7d58d84c13a9ec0d4e3635617adf2eb747034922cba1f029
+SIZE (gromacs-2024.3.tar.gz) = 42373103