diff --git a/graphics/libheif/Makefile b/graphics/libheif/Makefile
index b915686edc5f..1f498afe412f 100644
--- a/graphics/libheif/Makefile
+++ b/graphics/libheif/Makefile
@@ -1,70 +1,70 @@
 PORTNAME=	libheif
-DISTVERSION=	1.17.3
+DISTVERSION=	1.17.4
 CATEGORIES=	graphics
 MASTER_SITES=	https://github.com/strukturag/${PORTNAME}/releases/download/v${DISTVERSION}/
 
 MAINTAINER=	makc@FreeBSD.org
 COMMENT=	ISO/IEC 23008-12:2017 HEIF file format de- and encoder
 WWW=		https://github.com/strukturag/libheif
 
 LICENSE=	LGPL3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libsharpyuv.so:graphics/webp
 
 USES=		cmake:testing compiler:c++11-lang cpe gettext-runtime gnome \
 		localbase:ldflags pathfix pkgconfig
 CPE_VENDOR=	struktur
 USE_GNOME=	gdkpixbuf2 glib20
 USE_LDCONFIG=	yes
 PLIST_SUB=	LIB_VER=${DISTVERSION}
 
 CMAKE_OFF=	BUILD_TESTING \
 		WITH_KVAZAAR
 CMAKE_ON=	CMAKE_DISABLE_FIND_PACKAGE_Doxygen
 
 OPTIONS_DEFINE=	AOM DAV1D EXAMPLES FFMPEG JPEG LIBDE265 \
 		OPENJPEG SVTAV1 RAV1E X265
 OPTIONS_DEFAULT=AOM DAV1D FFMPEG JPEG OPENJPEG SVTAV1 X265
 OPTIONS_SUB=	yes
 
 AOM_DESC=		AV1 encoding/decoding via libaom
 FFMPEG_DESC=		Use FFmpeg (support for HEVC decoding)
 DAV1D_DESC=		Build dav1e decoder
 LIBDE265_DESC=		Use libde265 (support for HEVC decoding)
 SVTAV1_DESC=		Build svt-av1 encoder
 RAV1E_DESC=		Build rav1e encoder
 X265_DESC=		Use x265 (support for HEVC encoding)
 
 AOM_LIB_DEPENDS=	libaom.so:multimedia/aom
 AOM_CMAKE_BOOL=		WITH_AOM_ENCODER WITH_AOM_DECODER
 
 DAV1D_LIB_DEPENDS=	libdav1d.so:multimedia/dav1d
 DAV1D_CMAKE_BOOL=	WITH_DAV1D
 
 EXAMPLES_LIB_DEPENDS=	libpng16.so:graphics/png
 EXAMPLES_CMAKE_BOOL=	WITH_EXAMPLES
 EXAMPLE_IMPLIES=	JPEG
 
 FFMPEG_LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg
 FFMPEG_CMAKE_BOOL=	WITH_FFMPEG_DECODER
 
 JPEG_USES=		jpeg
 JPEG_CMAKE_BOOL=	WITH_JPEG_ENCODER WITH_JPEG_DECODER
 
 LIBDE265_LIB_DEPENDS=	libde265.so:multimedia/libde265
 LIBDE265_CMAKE_BOOL=	WITH_LIBDE265
 
 OPENJPEG_LIB_DEPENDS=	libopenjp2.so:graphics/openjpeg
 OPENJPEG_CMAKE_BOOL=	WITH_OpenJPEG_ENCODER WITH_OpenJPEG_DECODER
 
 SVTAV1_LIB_DEPENDS=	libSvtAv1Enc.so:multimedia/svt-av1
 SVTAV1_CMAKE_BOOL=	WITH_SvtEnc
 
 RAV1E_LIB_DEPENDS=	librav1e.so:multimedia/librav1e
 RAV1E_CMAKE_BOOL=	WITH_RAV1E
 
 X265_LIB_DEPENDS=	libx265.so:multimedia/x265
 X265_CMAKE_BOOL=	WITH_X265
 
 .include <bsd.port.mk>
diff --git a/graphics/libheif/distinfo b/graphics/libheif/distinfo
index e953b7c4bc4a..e1d326579d46 100644
--- a/graphics/libheif/distinfo
+++ b/graphics/libheif/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1699035886
-SHA256 (libheif-1.17.3.tar.gz) = 8d5b6292e7931324f81f871f250ecbb9f874aa3c66b4f6f35ceb0bf3163b53ea
-SIZE (libheif-1.17.3.tar.gz) = 1431554
+TIMESTAMP = 1700512309
+SHA256 (libheif-1.17.4.tar.gz) = 3619c092992eb5ccaf7795cbdc8ac70f96ab0f20fc5681fcef6ff5fec027a838
+SIZE (libheif-1.17.4.tar.gz) = 1432474
diff --git a/graphics/libheif/files/patch-gnome_CMakeLists.txt b/graphics/libheif/files/patch-gnome_CMakeLists.txt
new file mode 100644
index 000000000000..ec8b5a1dfb03
--- /dev/null
+++ b/graphics/libheif/files/patch-gnome_CMakeLists.txt
@@ -0,0 +1,7 @@
+--- gnome/CMakeLists.txt.orig	2023-11-20 21:17:44 UTC
++++ gnome/CMakeLists.txt
+@@ -1,3 +1,4 @@
++find_package(PNG)
+ if(WITH_EXAMPLES AND TARGET PNG::PNG)
+   install(FILES heif.thumbnailer DESTINATION ${CMAKE_INSTALL_DATADIR}/thumbnailers)
+ endif()
diff --git a/graphics/libheif/pkg-plist b/graphics/libheif/pkg-plist
index 739b8ae32384..4259bad19db2 100644
--- a/graphics/libheif/pkg-plist
+++ b/graphics/libheif/pkg-plist
@@ -1,29 +1,29 @@
 %%PORTEXAMPLES%%bin/heif-convert
 %%PORTEXAMPLES%%bin/heif-enc
 %%PORTEXAMPLES%%bin/heif-info
 %%PORTEXAMPLES%%bin/heif-thumbnailer
 include/libheif/heif.h
 include/libheif/heif_cxx.h
 include/libheif/heif_plugin.h
 include/libheif/heif_properties.h
 include/libheif/heif_regions.h
 include/libheif/heif_version.h
 lib/cmake/libheif/libheif-config-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/libheif/libheif-config-version.cmake
 lib/cmake/libheif/libheif-config.cmake
 lib/gdk-pixbuf-2.0/%%GTK2_VERSION%%/loaders/libpixbufloader-heif.so
 lib/libheif.so
 lib/libheif.so.1
 lib/libheif.so.%%LIB_VER%%
 %%DAV1D%%lib/libheif/libheif-dav1d.so
 %%OPENJPEG%%lib/libheif/libheif-j2kdec.so
 %%OPENJPEG%%lib/libheif/libheif-j2kenc.so
 %%RAV1E%%lib/libheif/libheif-rav1e.so
 %%SVTAV1%%lib/libheif/libheif-svtenc.so
 libdata/pkgconfig/libheif.pc
 %%PORTEXAMPLES%%share/man/man1/heif-convert.1.gz
 %%PORTEXAMPLES%%share/man/man1/heif-enc.1.gz
 %%PORTEXAMPLES%%share/man/man1/heif-info.1.gz
 %%PORTEXAMPLES%%share/man/man1/heif-thumbnailer.1.gz
-share/thumbnailers/heif.thumbnailer
+%%PORTEXAMPLES%%share/thumbnailers/heif.thumbnailer
 @dir lib/libheif