diff --git a/games/stockfish/Makefile b/games/stockfish/Makefile
index 9f7723851f54..069e77801b28 100644
--- a/games/stockfish/Makefile
+++ b/games/stockfish/Makefile
@@ -1,89 +1,89 @@
 PORTNAME=	stockfish
 DISTVERSIONPREFIX=	sf_
-DISTVERSION=	17.1
+DISTVERSION=	18
 CATEGORIES=	games
 MASTER_SITES=	https://tests.stockfishchess.org/api/nn/:nnue1 \
 		https://tests.stockfishchess.org/api/nn/:nnue2
 DISTFILES=	nn-${_NNUE1_VER}.nnue:nnue1 \
 		nn-${_NNUE2_VER}.nnue:nnue2
 EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	execve@gmail.com
 COMMENT=	Open source chess engine
 WWW=		https://www.stockfishchess.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/../Copying.txt
 
 USES=		compiler:c++11-lang gmake perl5
 USE_GITHUB=	yes
 GH_ACCOUNT=	official-stockfish
 GH_PROJECT=	Stockfish
 USE_PERL5=	build
 
 MAKE_ARGS=	ARCH=${MYARCH} \
 		COMP=${CHOSEN_COMPILER_TYPE} \
 		CXX="${CXX}" \
 		PREFIX=${PREFIX}
 ALL_TARGET=	build
 
-_NNUE1_VER=	1c0000000000
+_NNUE1_VER=	c288c895ea92
 _NNUE2_VER=	37f18f62d772
 
 BINARY_ALIAS=	wget=true
 
 WRKSRC_SUBDIR=	src
 
 PLIST_FILES=	bin/stockfish
 PORTDOCS=	README.md
 
 OPTIONS_DEFINE=		DOCS
 OPTIONS_RADIO=		MACHDEP
 OPTIONS_RADIO_MACHDEP=	AVX2 BMI2 POPCNT
 OPTIONS_EXCLUDE=	${${ARCH} != amd64:?${OPTIONS_RADIO_MACHDEP}:}
 
 AVX2_DESC=	Use the AVX2 instruction set
 BMI2_DESC=	Use the BMI2 instruction set
 POPCNT_DESC=	Use the POPCNT instruction
 
 .include <bsd.port.options.mk>
 
 # workaround the ARCH usage in the stockfish Makefile
 .if ${ARCH} == "i386"
 MYARCH=		x86-32
 .elif ${ARCH} == "amd64"
 .  if ${PORT_OPTIONS:MBMI2}
 MYARCH=		x86-64-bmi2
 .  elif ${PORT_OPTIONS:MAVX2}
 MYARCH=		x86-64-avx2
 .  elif ${PORT_OPTIONS:MPOPCNT}
 MYARCH=		x86-64-modern
 .  else
 MYARCH=		x86-64
 .  endif
 .elif ${ARCH} == aarch64
 MYARCH=		armv8
 .elif ${ARCH} == armv7
 MYARCH=		armv7-neon
 .elif ${ARCH} == powerpc
 MYARCH=		ppc-32
 .elif ${ARCH:Mpowerpc64*}
 MYARCH=		ppc-64
 .elif ${ARCH:M*64*}
 MYARCH=		general-64
 .else
 MYARCH=		general-32
 .endif
 
 post-patch:
 	@${CP} ${_DISTDIR}/nn-${_NNUE1_VER}.nnue ${WRKSRC}/.
 	@${CP} ${_DISTDIR}/nn-${_NNUE2_VER}.nnue ${WRKSRC}/.
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/stockfish ${STAGEDIR}${PREFIX}/bin
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/../README.md ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/games/stockfish/distinfo b/games/stockfish/distinfo
index 3b9950554a0f..9cc8bc12fa92 100644
--- a/games/stockfish/distinfo
+++ b/games/stockfish/distinfo
@@ -1,7 +1,7 @@
-TIMESTAMP = 1743583714
-SHA256 (nn-1c0000000000.nnue) = 1c0000000000a67d629999d932d0c373f7450ce43cd12d0562868f4eaf9ae2ad
-SIZE (nn-1c0000000000.nnue) = 74874478
+TIMESTAMP = 1770188374
+SHA256 (nn-c288c895ea92.nnue) = c288c895ea924429ea9092e3f36b2b3c1f00f2a3a4c759ff7e57e79e3b43e4a7
+SIZE (nn-c288c895ea92.nnue) = 108919594
 SHA256 (nn-37f18f62d772.nnue) = 37f18f62d772f3107e1d6aaca3898c130c3c86f2ab63e6555fbbca20635a899d
 SIZE (nn-37f18f62d772.nnue) = 3519630
-SHA256 (official-stockfish-Stockfish-sf_17.1_GH0.tar.gz) = 0cfd9396438798cc68f5c0d5fa0bb458bb8ffff7de06add841aaeace86bec1f1
-SIZE (official-stockfish-Stockfish-sf_17.1_GH0.tar.gz) = 222553
+SHA256 (official-stockfish-Stockfish-sf_18_GH0.tar.gz) = 22a195567e3493e7c9ca8bf8fa2339f4ffc876384849ac8a417ff4b919607e7b
+SIZE (official-stockfish-Stockfish-sf_18_GH0.tar.gz) = 251738