diff --git a/cad/PrusaSlicer/Makefile b/cad/PrusaSlicer/Makefile
index 8af495340343..e1ce04fab6a4 100644
--- a/cad/PrusaSlicer/Makefile
+++ b/cad/PrusaSlicer/Makefile
@@ -1,71 +1,75 @@
 PORTNAME=	PrusaSlicer
 DISTVERSIONPREFIX=version_
 DISTVERSION=	2.9.2
-PORTREVISION=	6
+PORTREVISION=	7
 CATEGORIES=	cad
 DIST_SUBDIR=	PrusaSlicer
 
 MAINTAINER=	teodorsigaev@gmail.com
 COMMENT=	Slicing application for 3D printers
 WWW=		https://www.prusa3d.com/prusaslicer/
 
 LICENSE=	AGPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	cereal>=1.3.0.10:devel/cereal \
 		cgal>=5.0.2:math/cgal \
 		opencascade>=7.7.0:cad/opencascade \
 		libbgcode>=0.2.0_1:cad/libbgcode \
 		hidapi>=0.14.0:comms/hidapi
 
 LIB_DEPENDS+=	libbgcode_convert.so:cad/libbgcode \
 		libbgcode_binarize.so:cad/libbgcode \
 		libbgcode_core.so:cad/libbgcode \
 		libtbb.so:devel/onetbb \
 		libboost_log.so:devel/boost-libs \
 		libImath.so:math/Imath \
 		libnlopt.so:math/nlopt \
 		libqhull_r.so:math/qhull \
 		libcurl.so:ftp/curl \
 		libexpat.so:textproc/expat2 \
 		libiconv.so:converters/libiconv \
 		libopenvdb.so:misc/openvdb \
 		libgmp.so:math/gmp \
 		libmpfr.so:math/mpfr \
 		libdbus-1.so:devel/dbus \
 		libpng.so:graphics/png \
 		libTKXSDRAWSTEP.so:cad/opencascade \
 		libtiff.so:graphics/tiff \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libfreeimage.so:graphics/freeimage \
 		libfreetype.so:print/freetype2 \
 		libavcodec.so:multimedia/ffmpeg4 \
 		libharfbuzz.so:print/harfbuzz \
 		libwayland-egl.so:graphics/wayland \
 		libwebkit2gtk-4.1.so:www/webkit2-gtk@41 \
 		libsoup-3.0.so:devel/libsoup3 \
 		libjavascriptcoregtk-4.1.so:www/webkit2-gtk@41 \
 		libz3.so:math/z3
 
 USES=		cmake cpe desktop-file-utils eigen:3 gettext gl gnome iconv \
 		jpeg pkgconfig xorg ssl tcl tk
 CPE_VENDOR=	prusa3d
 USE_GITHUB=	yes
 GH_ACCOUNT=	prusa3d
 USE_GL=		gl glu glew
 USE_GNOME=	gtk30 pango atk cairo gdkpixbuf glib20
 USE_WX=		3.2
 USE_XORG=	x11
 
 CMAKE_ARGS+=	-DwxWidgets_CONFIG_EXECUTABLE="${WX_CONFIG}" \
 		-DSLIC3R_GTK=3 \
 		-DSLIC3R_FHS=1 \
 		-DSLIC3R_PCH=OFF \
 		-DSLIC3R_BUILD_TESTS=OFF \
 		-Wno-dev
 
 PORTDATA=	*
+
 post-patch:
 	${MKDIR} ${WRKSRC}/bundled_deps/hidapi/libusb
 	${CP} ${FILESDIR}/hid.c ${WRKSRC}/bundled_deps/hidapi/libusb/hid.c
+	@${REINPLACE_CMD} -e '/_boost_/s|system;||' \
+		${WRKSRC}/CMakeLists.txt
+
 .include <bsd.port.mk>
diff --git a/cad/PrusaSlicer/files/patch-cmake_modules_FindOpenVDB.cmake b/cad/PrusaSlicer/files/patch-cmake_modules_FindOpenVDB.cmake
index 142237d5aafd..ed9e56e6f1f3 100644
--- a/cad/PrusaSlicer/files/patch-cmake_modules_FindOpenVDB.cmake
+++ b/cad/PrusaSlicer/files/patch-cmake_modules_FindOpenVDB.cmake
@@ -1,74 +1,75 @@
 --- cmake/modules/FindOpenVDB.cmake.orig	2025-04-10 11:26:51 UTC
 +++ cmake/modules/FindOpenVDB.cmake
 @@ -347,24 +347,12 @@ endmacro()
    return()
  endmacro()
  
 -find_package(IlmBase QUIET)
 -if(NOT IlmBase_FOUND)
 -  pkg_check_modules(IlmBase QUIET IlmBase)
 +find_package(Imath QUIET COMPONENTS Imath)
 +if(NOT Imath_FOUND)
 +  pkg_check_modules(Imath QUIET Imath)
  endif()
 -if (IlmBase_FOUND AND NOT TARGET IlmBase::Half)
 -  message(STATUS "Falling back to IlmBase found by pkg-config...")
 -
 -  find_library(IlmHalf_LIBRARY NAMES Half)
 -  if(IlmHalf_LIBRARY-NOTFOUND OR NOT IlmBase_INCLUDE_DIRS)
 -    just_fail("IlmBase::Half can not be found!")
 -  endif()
 -  
 -  add_library(IlmBase::Half UNKNOWN IMPORTED)
 -  set_target_properties(IlmBase::Half PROPERTIES
 -    IMPORTED_LOCATION "${IlmHalf_LIBRARY}"
 -    INTERFACE_INCLUDE_DIRECTORIES "${IlmBase_INCLUDE_DIRS}")
 -elseif(NOT IlmBase_FOUND)
 -  just_fail("IlmBase::Half can not be found!")
 +if(NOT Imath_FOUND)
 +  just_fail("Imath::Half can not be found!")
  endif()
  find_package(TBB ${_quiet} ${_required} COMPONENTS tbb)
  find_package(ZLIB ${_quiet} ${_required})
 @@ -451,7 +439,7 @@ if(OpenVDB_USES_ILM)
  endif()
  
  if(OpenVDB_USES_ILM)
 -  find_package(IlmBase ${_quiet} ${_required})
 +  find_package(Imath ${_quiet} ${_required})
  endif()
  
  if(OpenVDB_USES_EXR)
-@@ -463,7 +451,7 @@ endif()
+@@ -463,15 +451,15 @@ endif()
  endif()
  
  # Set deps. Note that the order here is important. If we're building against
 -# Houdini 17.5 we must include OpenEXR and IlmBase deps first to ensure the
 +# Houdini 17.5 we must include OpenEXR and Imath deps first to ensure the
  # users chosen namespaced headers are correctly prioritized. Otherwise other
  # include paths from shared installs (including houdini) may pull in the wrong
  # headers
-@@ -471,7 +459,7 @@ set(_OPENVDB_VISIBLE_DEPENDENCIES
+ 
  set(_OPENVDB_VISIBLE_DEPENDENCIES
++  Boost::filesystem
    Boost::iostreams
-   Boost::system
+-  Boost::system
 -  IlmBase::Half
 +  Imath::Imath
  )
  
  set(_OPENVDB_DEFINITIONS)
 @@ -481,10 +469,10 @@ if(OpenVDB_USES_EXR)
  
  if(OpenVDB_USES_EXR)
    list(APPEND _OPENVDB_VISIBLE_DEPENDENCIES
 -    IlmBase::IlmThread
 -    IlmBase::Iex
 -    IlmBase::Imath
 -    OpenEXR::IlmImf
 +    OpenEXR::IlmThread
 +    OpenEXR::Iex
 +    Imath::Imath
 +    OpenEXR::OpenEXR
    )
    list(APPEND _OPENVDB_DEFINITIONS "-DOPENVDB_TOOLS_RAYTRACER_USE_EXR")
  endif()