diff --git a/graphics/cimg/Makefile b/graphics/cimg/Makefile
index ffb707168dde..ed25cd405292 100644
--- a/graphics/cimg/Makefile
+++ b/graphics/cimg/Makefile
@@ -1,123 +1,122 @@
 PORTNAME=	cimg
 DISTVERSIONPREFIX=	v.
-DISTVERSION=	3.7.6
-PORTREVISION=	1
+DISTVERSION=	4.0.1
 PORTEPOCH=	3
 CATEGORIES=	graphics devel
 
 MAINTAINER=	thierry@FreeBSD.org
 COMMENT=	C++ Template Image Processing Library
 WWW=		https://cimg.eu/
 
 LICENSE=	CeCILL_C CeCILL
 LICENSE_COMB=	dual
 LICENSE_NAME_CeCILL_C=	CeCILL-C
 LICENSE_NAME_CeCILL=	CeCILL
 LICENSE_FILE_CeCILL_C=	${WRKSRC}/Licence_CeCILL-C_V1-en.txt
 LICENSE_FILE_CeCILL=	${WRKSRC}/Licence_CeCILL_V2-en.txt
 LICENSE_PERMS_CeCILL_C=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 LICENSE_PERMS_CeCILL=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	GreycLab
 GH_PROJECT=	CImg
 
 BUILD_WRKSRC=	${WRKSRC}/examples
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
 .include <bsd.port.options.mk>
 
 .if ${PORT_OPTIONS:MDOCS} || ${PORT_OPTIONS:MEXAMPLES}
 USES+=		compiler:c11 gmake pkgconfig:build xorg
 .endif
 
 .if ${PORT_OPTIONS:MDOCS}
 
 REINPLACE_ARGS=	-i ""
 
 . if !defined(WITH_DEBUG)
 LIB_DEPENDS+=	libcurl.so:ftp/curl			\
 		libpng.so:graphics/png			\
 		libtiff.so:graphics/tiff		\
 		libImath.so:math/Imath			\
 		libheif.so:graphics/libheif		\
 		libOpenEXR.so:graphics/openexr		\
 		libfftw3.so:math/fftw3			\
 		libwebp.so:graphics/webp		\
 		libopencv_core.so:graphics/opencv	\
 		libGraphicsMagick.so:graphics/GraphicsMagick
 RUN_DEPENDS+=	dcraw:graphics/dcraw
 USES+=		jpeg magick:7
 ALL_TARGET=	Mlinux
 . else
 ALL_TARGET=	dlinux
 WITHOUT_MEDCON=	yes
 WITHOUT_FFMPEG=	yes
 . endif
 
 . if !defined(WITHOUT_MEDCON)
 RUN_DEPENDS+=	medcon:graphics/xmedcon
 . endif
 . if !defined(WITHOUT_FFMPEG)
 LIB_DEPENDS+=	libavformat.so:multimedia/ffmpeg
 . endif
 
 USE_XORG+=	x11 xrandr
 . if defined(WITH_XSHM)
 USE_XORG+=	xext
 . endif
 
 DOCBASE=	README.txt
 CFLAGS+=	-I${LOCALBASE}/include/Imath -I${LOCALBASE}/include/OpenEXR
 MAKE_ARGS+=	CPPFLAGS="${CFLAGS}" FREEBSD_LDFLAGS="${LDFLAGS}"
 . if !exists(/usr/include/omp.h)
 MAKE_ARGS+=	OPENMP_CFLAGS=
 . endif
 PROGS=		CImg_demo captcha curve_editor2d dtmri_view3d			\
 	edge_explorer2d fade_images gaussian_fit1d generate_loop_macros		\
 	hough_transform2d image2ascii image_registration2d image_surface3d	\
 	jawbreaker mcf_levelsets2d mcf_levelsets3d odykill			\
-	pde_TschumperleDeriche2d pde_heatflow2d plotter1d radon_transform2d	\
+	pde_TschumperleDeriche2d pde_heatflow2d plotter1d	\
 	scene3d spherical_function3d tetris tron tutorial use_RGBclass		\
 	use_chlpca use_draw_gradient use_jpeg_buffer use_nlmeans use_skeleton	\
-	wavelet_atrous
+	use_tiff_stream wavelet_atrous
 .else
 NO_BUILD=	yes
 .endif
 
 .include <bsd.port.pre.mk>
 
 pre-configure:
 	${REINPLACE_CMD} -e 's|make|${MAKE_CMD}|' ${BUILD_WRKSRC}/Makefile
 . if !defined(WITHOUT_FFMPEG)
 	${REINPLACE_CMD} -e 's|#FFMPEG_CFLAGS|FFMPEG_CFLAGS|'	\
 		-e 's|#FFMPEG_DEFINE|FFMPEG_DEFINE|'		\
 		-e 's|#FFMPEG_LIBS|FFMPEG_LIBS|'		\
 		${BUILD_WRKSRC}/Makefile
 . endif
 . if defined(WITH_XSHM)
 	${REINPLACE_CMD} -e 's|XSHM_CFLAGS = #|XSHM_CFLAGS =|'	\
 		-e 's|XSHM_LDFLAGS = #|XSHM_LDFLAGS =|'		\
 		${BUILD_WRKSRC}/Makefile
 . endif
 
 pre-configure-DOCS-off:
 	${REINPLACE_CMD} -e 's|^OPTFLAGS|#OPTFLAGS|;s|/usr/X11R6|${LOCALBASE}|	\'
 		${BUILD_WRKSRC}/Makefile
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/CImg.h ${STAGEDIR}${PREFIX}/include
 
 do-install-DOCS-on:
 	${INSTALL_PROGRAM} ${PROGS:C|^|${BUILD_WRKSRC}/|} ${STAGEDIR}${PREFIX}/bin
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${DOCBASE:S|^|${WRKSRC}/|} ${STAGEDIR}${DOCSDIR}
 
 do-install-EXAMPLES-on:
 	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	${CP} -R ${WRKSRC}/examples/* ${STAGEDIR}${EXAMPLESDIR}
 	@(cd ${STAGEDIR}${EXAMPLESDIR} && ${MAKE_CMD} clean)
 	@${RM} ${STAGEDIR}${EXAMPLESDIR}/*.orig
 
 .include <bsd.port.post.mk>
diff --git a/graphics/cimg/distinfo b/graphics/cimg/distinfo
index c0beccfe4e25..abd08fa4908a 100644
--- a/graphics/cimg/distinfo
+++ b/graphics/cimg/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1779113392
-SHA256 (GreycLab-CImg-v.3.7.6_GH0.tar.gz) = b655a0135ef937164896a0f66bbfb7e2b688b36f2529bd49c4deb9ee2c352757
-SIZE (GreycLab-CImg-v.3.7.6_GH0.tar.gz) = 12699286
+TIMESTAMP = 1783100322
+SHA256 (GreycLab-CImg-v.4.0.1_GH0.tar.gz) = 38793a6a0f69b5262f27f91512151366e52aab6bd7cededdf6c4276c9c7a95e8
+SIZE (GreycLab-CImg-v.4.0.1_GH0.tar.gz) = 12698737
diff --git a/graphics/cimg/pkg-plist b/graphics/cimg/pkg-plist
index cd31491d6e7d..9254767068c2 100644
--- a/graphics/cimg/pkg-plist
+++ b/graphics/cimg/pkg-plist
@@ -1,82 +1,81 @@
 %%PORTDOCS%%bin/CImg_demo
 %%PORTDOCS%%bin/captcha
 %%PORTDOCS%%bin/curve_editor2d
 %%PORTDOCS%%bin/dtmri_view3d
 %%PORTDOCS%%bin/edge_explorer2d
 %%PORTDOCS%%bin/fade_images
 %%PORTDOCS%%bin/gaussian_fit1d
 %%PORTDOCS%%bin/generate_loop_macros
 %%PORTDOCS%%bin/hough_transform2d
 %%PORTDOCS%%bin/image2ascii
 %%PORTDOCS%%bin/image_registration2d
 %%PORTDOCS%%bin/image_surface3d
 %%PORTDOCS%%bin/jawbreaker
 %%PORTDOCS%%bin/mcf_levelsets2d
 %%PORTDOCS%%bin/mcf_levelsets3d
 %%PORTDOCS%%bin/odykill
 %%PORTDOCS%%bin/pde_TschumperleDeriche2d
 %%PORTDOCS%%bin/pde_heatflow2d
 %%PORTDOCS%%bin/plotter1d
-%%PORTDOCS%%bin/radon_transform2d
 %%PORTDOCS%%bin/scene3d
 %%PORTDOCS%%bin/spherical_function3d
 %%PORTDOCS%%bin/tetris
 %%PORTDOCS%%bin/tron
 %%PORTDOCS%%bin/tutorial
 %%PORTDOCS%%bin/use_RGBclass
 %%PORTDOCS%%bin/use_chlpca
 %%PORTDOCS%%bin/use_draw_gradient
 %%PORTDOCS%%bin/use_jpeg_buffer
 %%PORTDOCS%%bin/use_nlmeans
 %%PORTDOCS%%bin/use_skeleton
+%%PORTDOCS%%bin/use_tiff_stream
 %%PORTDOCS%%bin/wavelet_atrous
 include/CImg.h
 %%PORTDOCS%%%%DOCSDIR%%/README.txt
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/CImg_demo.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/CMakeLists.txt
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/Makefile
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/captcha.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/curve_editor2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/dtmri_view3d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/edge_explorer2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/fade_images.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/gaussian_fit1d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/generate_loop_macros.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/hough_transform2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/image2ascii.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/image_registration2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/image_surface3d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/CImg_demo.h
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/logo.bmp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/milla.bmp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/odykill.h
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/parrot.ppm
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/parrot_mask.pgm
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/sh0r.pgm
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/sh1r.pgm
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/img/tetris.h
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/jawbreaker.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/mcf_levelsets2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/mcf_levelsets3d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/odykill.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/pde_TschumperleDeriche2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/pde_heatflow2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/plotter1d.cpp
-%%PORTEXAMPLES%%%%EXAMPLESDIR%%/radon_transform2d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/scene3d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/spherical_function3d.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/tetris.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/tron.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/tutorial.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_RGBclass.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_chlpca.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_cimgIPL.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_cimgmatlab.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_cimgmatlab.m
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_draw_gradient.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_jpeg_buffer.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_nlmeans.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_skeleton.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_tiff_stream.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/use_tinymatwriter.cpp
 %%PORTEXAMPLES%%%%EXAMPLESDIR%%/wavelet_atrous.cpp