diff --git a/emulators/mesen/Makefile b/emulators/mesen/Makefile
index 2121ab14d94c..c9c1229e0e55 100644
--- a/emulators/mesen/Makefile
+++ b/emulators/mesen/Makefile
@@ -1,82 +1,80 @@
 PORTNAME=	mesen
-DISTVERSION=	0.9.8-4
-DISTVERSIONSUFFIX=	-g4c701ad6
-PORTREVISION=	4
+DISTVERSION=	0.9.9
 CATEGORIES=	emulators
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	cpetrik@proton.me
 COMMENT=	Cross-platform Nintendo Entertainment System (NES/Famicom) emulator
 WWW=		https://www.mesen.ca/
 
 LICENSE=	GPLv3
 
 # ARM/MIPS are only supported on Android
 ONLY_FOR_ARCHS=	amd64 i386
 
 BUILD_DEPENDS=	zip:archivers/zip \
 		evdev-proto>0:devel/evdev-proto \
 		msbuild:devel/msbuild
 LIB_DEPENDS=	libevdev.so:devel/libevdev \
 		libgdiplus.so:x11-toolkits/libgdiplus
 
-USES=		compiler:c++14-lang gmake pkgconfig sdl
+USES=		compiler:c++17-lang gmake pkgconfig sdl
 USE_GITHUB=	yes
 GH_ACCOUNT=	SourMesen
 GH_PROJECT=	Mesen
 USE_SDL=	sdl2
 MAKEFILE=	makefile
 MAKE_ARGS=	MESENPLATFORM=${MESEN_ARCH} \
 		CC="${CC}" CPPC="${CXX}" \
 		FSLIB=-lc++experimental \
 		LTO=true \
 		SYSTEM_LIBEVDEV=true
 MESEN_ARCH=	${ARCH:S/amd64/x64/:S/i386/x86/}
 
 OPTIONS_MULTI=			FRONTENDS
 OPTIONS_MULTI_FRONTENDS=	MONO LIBRETRO
 OPTIONS_DEFAULT=		MONO LIBRETRO
 OPTIONS_SUB=			yes
 
 MONO_DESC=	Mono based GUI frontend
 LIBRETRO_DESC=	Libretro core
 
 MONO_ALL_TARGET=	ui
 MONO_BUILD_DEPENDS=	mono:lang/mono${MONO_DEFAULT}
 MONO_RUN_DEPENDS=	mono:lang/mono${MONO_DEFAULT}
 MONO_DESKTOP_ENTRIES=	"Mesen" "NES/Famicom Emulator" \
 			"${PORTNAME}" "${PORTNAME}" "Game;Emulator;" false
 
 LIBRETRO_ALL_TARGET=	libretro
 
 .include <bsd.port.pre.mk>
 
 .if defined(MONO_DEFAULT) && ${MONO_DEFAULT} > 6
 BROKEN=		fails to build with Mono version ${MONO_DEFAULT}: error MSB4184: The expression ""Program.cs".GetPathsOfAllDirectoriesAbove()" cannot be evaluated. Method 'System.String.GetPathsOfAllDirectoriesAbove' not found.
 .endif
 
 do-install: 	# empty to avoid default
 
 do-install-MONO-on:
 	${MKDIR} ${STAGEDIR}${PREFIX}/libexec/mesen
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/icons/hicolor/64x64/apps/
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/icons/hicolor/32x32/apps/
 	${MKDIR} ${STAGEDIR}${PREFIX}/share/icons/hicolor/16x16/apps/
 	${INSTALL_LIB} ${WRKSRC}/bin/${MESEN_ARCH}/Release/Dependencies/libMesenCore.${MESEN_ARCH}.dll \
 			${STAGEDIR}${PREFIX}/libexec/mesen/libMesenCore.dll
 	${INSTALL_DATA} ${WRKSRC}/bin/${MESEN_ARCH}/Release/Mesen.exe \
 			${STAGEDIR}${PREFIX}/libexec/mesen/
 	${INSTALL_DATA} ${WRKSRC}/GUI.NET/Resources/MesenIcon.png \
 			${STAGEDIR}${PREFIX}/share/icons/hicolor/64x64/apps/mesen.png
 	${INSTALL_DATA} ${WRKSRC}/GUI.NET/Resources/MesenIconMedium.png \
 			${STAGEDIR}${PREFIX}/share/icons/hicolor/32x32/apps/mesen.png
 	${INSTALL_DATA} ${WRKSRC}/GUI.NET/Resources/MesenIconSmall.png \
 			${STAGEDIR}${PREFIX}/share/icons/hicolor/16x16/apps/mesen.png
 	${INSTALL_SCRIPT} ${FILESDIR}/launch.sh ${STAGEDIR}${PREFIX}/bin/mesen
 	${REINPLACE_CMD} 's|%%PREFIX%%|${PREFIX}|g' ${STAGEDIR}${PREFIX}/bin/mesen
 
 do-install-LIBRETRO-on:
 	${MKDIR} ${STAGEDIR}${PREFIX}/lib/libretro
 	${INSTALL_LIB} ${WRKSRC}/bin/mesen_libretro.${MESEN_ARCH}.so \
 			${STAGEDIR}${PREFIX}/lib/libretro/mesen_libretro.so
 
 .include <bsd.port.post.mk>
diff --git a/emulators/mesen/distinfo b/emulators/mesen/distinfo
index b00cbb8176dc..92c9601cf915 100644
--- a/emulators/mesen/distinfo
+++ b/emulators/mesen/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1561506562
-SHA256 (SourMesen-Mesen-0.9.8-4-g4c701ad6_GH0.tar.gz) = 73bbffe6560ed355b2b51fbb1a0ca7b53b0b9ec58b89bf272aa29a972f78a97a
-SIZE (SourMesen-Mesen-0.9.8-4-g4c701ad6_GH0.tar.gz) = 17628801
+TIMESTAMP = 1744375796
+SHA256 (SourMesen-Mesen-0.9.9_GH0.tar.gz) = 8c638a9910b8de6cf628ceefb226c2f636e4397b0629f58a8ffb304984d68ea9
+SIZE (SourMesen-Mesen-0.9.9_GH0.tar.gz) = 17683748