diff --git a/science/polytope/Makefile b/science/polytope/Makefile
index 2afc875ea600..b96b7928e664 100644
--- a/science/polytope/Makefile
+++ b/science/polytope/Makefile
@@ -1,32 +1,37 @@
 PORTNAME=	polytope
-DISTVERSION=	0.7.3
+DISTVERSION=	0.7.3-18
+DISTVERSIONSUFFIX=	-gcf83206
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library for generating Voronoi and Voronoi-like tessellations
-WWW=		https://github.com/pbtoast/polytope
+WWW=		https://github.com/LLNL/polytope
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${LOCALBASE}/include/boost/geometry.hpp:devel/boost-libs
 LIB_DEPENDS=	libsz.so:science/libaec
 
 USES=		cmake:testing
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
-GH_ACCOUNT=	pbtoast
+GH_ACCOUNT=	LLNL
+
+CXXFLAGS+=	-D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE # prevent hardening issues with libc++
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_OFF=	TESTING
-CMAKE_TESTING_ON=	TESTING # 1 test is known to fail, see https://github.com/pbtoast/polytope/issues/18
+CMAKE_TESTING_ON=	TESTING
 
 OPTIONS_DEFINE=		SILO
 OPTIONS_DEFAULT=	SILO
 
 SILO_DESC=		Use SILO reader/writer
 SILO_CMAKE_BOOL=	USE_SILO
 SILO_LIB_DEPENDS=	libsiloh5.so:science/silo
 
+# tests as of 0.7.3-18: 96% tests passed, 1 tests failed out of 28
+
 .include <bsd.port.mk>
diff --git a/science/polytope/distinfo b/science/polytope/distinfo
index 26dcd6cce169..f53895c10660 100644
--- a/science/polytope/distinfo
+++ b/science/polytope/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1686150327
-SHA256 (pbtoast-polytope-0.7.3_GH0.tar.gz) = f32817b44d2a3b98407531980b89d0a31b0c14b8b30de37a6a7bc6ec91e48bf1
-SIZE (pbtoast-polytope-0.7.3_GH0.tar.gz) = 6854100
+TIMESTAMP = 1761847798
+SHA256 (LLNL-polytope-0.7.3-18-gcf83206_GH0.tar.gz) = 4800b6f16d33b9c909d7cd39f8507d75584abd93ffab86ad38170e8c41572839
+SIZE (LLNL-polytope-0.7.3-18-gcf83206_GH0.tar.gz) = 6854889
diff --git a/science/polytope/files/patch-src_CMakeLists.txt b/science/polytope/files/patch-src_CMakeLists.txt
index 731eabaac985..311c5e49463a 100644
--- a/science/polytope/files/patch-src_CMakeLists.txt
+++ b/science/polytope/files/patch-src_CMakeLists.txt
@@ -1,22 +1,13 @@
 - uses std::integer_sequence C++14 feature
 
---- src/CMakeLists.txt.orig	2022-12-03 08:18:04 UTC
+--- src/CMakeLists.txt.orig	2025-10-29 23:24:46 UTC
 +++ src/CMakeLists.txt
-@@ -17,7 +17,7 @@ endif()
+@@ -17,7 +17,7 @@ if (HAVE_TRIANGLE)
  # TriangleTessellator and triangle source
  if (HAVE_TRIANGLE)
    list(APPEND TESSELLATOR_SOURCES TriangleTessellator.cc)
 -  add_library(triangle STATIC  predicates.cc triangle.c)
 +  add_library(triangle predicates.cc triangle.c)
    #set(TRIANGLE_LIB triangle PARENT_SCOPE)
    set(TRIANGLE_LIB triangle)
    set_target_properties(triangle PROPERTIES
-@@ -49,7 +49,7 @@ endif()
- file(GLOB HEADERS *.hh)
- list(APPEND HEADERS "${PROJECT_BINARY_DIR}/polytope.hh")
- 
--add_library(polytope STATIC
-+add_library(polytope
-             ${TESSELLATOR_SOURCES} ${IO_SOURCES} ErrorHandler.cc
-       	    polytope_internal_abort.cc)
- 
diff --git a/science/polytope/pkg-plist b/science/polytope/pkg-plist
index 1a3ad063500d..b31319b1417f 100644
--- a/science/polytope/pkg-plist
+++ b/science/polytope/pkg-plist
@@ -1,45 +1,48 @@
 include/polytope/BoostOrphanage.hh
 include/polytope/BoostTessellator.hh
 include/polytope/BoostTessellatorTraits.hh
 include/polytope/Clipper2d.hh
 include/polytope/DimensionTraits.hh
 include/polytope/ErrorHandler.hh
 include/polytope/IntPointMap.hh
 include/polytope/KeyTraits.hh
 include/polytope/MeshEditor.hh
 include/polytope/OrphanageBase.hh
 include/polytope/PLC.hh
 include/polytope/PLC_Boost_2d.hh
 include/polytope/PLC_CSG_2d.hh
 include/polytope/PLC_CSG_3d.hh
 include/polytope/Point.hh
 include/polytope/QuantTessellation.hh
 include/polytope/QuantizedCoordinates.hh
 include/polytope/QuantizedTessellation2d.hh
 include/polytope/QuantizedTessellation3d.hh
 include/polytope/ReducedPLC.hh
 include/polytope/SiloReader.hh
 include/polytope/SiloWriter.hh
 include/polytope/Tessellation.hh
 include/polytope/Tessellator.hh
 include/polytope/TessellatorInline.hh
 include/polytope/TetgenTessellator.hh
 include/polytope/TriangleTessellator.hh
 include/polytope/VoroPP_2d.hh
 include/polytope/VoroPP_3d.hh
 include/polytope/clipQuantizedTessellation.hh
 include/polytope/convexHull_2d.hh
 include/polytope/convexHull_3d.hh
 include/polytope/findBoundaryElements.hh
 include/polytope/makeBoxPLC.hh
 include/polytope/polytope.hh
 include/polytope/polytope_geometric_utilities.hh
 include/polytope/polytope_internal.hh
 include/polytope/polytope_parallel_utilities.hh
 include/polytope/polytope_serialize.hh
 include/polytope/polytope_tessellator_utilities.hh
 include/polytope/polytope_write_OOGL.hh
 include/polytope/removeElements.hh
 include/polytope/simplifyPLCfacets.hh
 include/polytope/snapToBoundary.hh
+lib/cmake/polytope-config.cmake
+lib/cmake/polytope-targets-%%CMAKE_BUILD_TYPE%%.cmake
+lib/cmake/polytope-targets.cmake
 lib/libpolytope.so