diff --git a/lang/chez-scheme/Makefile b/lang/chez-scheme/Makefile
index eb3401cd7630..bee917380f9a 100644
--- a/lang/chez-scheme/Makefile
+++ b/lang/chez-scheme/Makefile
@@ -1,81 +1,81 @@
 PORTNAME=	chez-scheme
-PORTVERSION=	10.3.0
+PORTVERSION=	10.4.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	lang
 MASTER_SITES=	https://github.com/cisco/ChezScheme/releases/download/${DISTVERSIONPREFIX}${DISTVERSION}/
 DISTNAME=	csv${PORTVERSION}
 
 MAINTAINER=	ashish@FreeBSD.org
 COMMENT=	Chez Scheme system
 WWW=		https://cisco.github.io/ChezScheme
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 ONLY_FOR_ARCHS=	amd64 i386 aarch64 armv7 powerpc
 BROKEN_armv7=	No suitable machine type found in "./boot".
 
 LIB_DEPENDS=	libuuid.so:misc/libuuid \
 		libossp-uuid.so:misc/ossp-uuid
 
 USES=		gmake iconv:lib ncurses
 
 OPTIONS_DEFAULT=	X11
 OPTIONS_DEFINE=	X11
 
 HAS_CONFIGURE=	yes
 ALL_TARGET=	build
 CONFLICTS_INSTALL=	petite-chez
 STRIP_FILES=	bin/petite bin/${PORTNAME} bin/${PORTNAME}-script
 CHEZ_LIBDIR=	lib/${DISTNAME}
 CFLAGS+=	-fPIC
 CFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib -luuid
 CONFIGURE_ARGS=	--installprefix=${PREFIX} \
 		--temproot=${STAGEDIR} \
 		--installschemename=${PORTNAME} \
 		--installscriptname=${PORTNAME}-script \
 		--installman=${PREFIX}/share/man \
 		--threads
 PLIST_SUB=	PORTNAME=${PORTNAME} \
 		CHEZ_ARCH=${CHEZ_ARCH} \
 		CHEZ_LIBDIR=${CHEZ_LIBDIR}
 X11_USES=	xorg
 X11_USE=	XORG=x11
 
 .include <bsd.port.pre.mk>
 
 .if (${ARCH} == "amd64")
 CHEZ_ARCH=	ta6fb
 .elif (${ARCH} == "i386")
 CHEZ_ARCH=	ti3fb
 .elif (${ARCH} == "aarch64")
 CHEZ_ARCH=	tarm64fb
 .elif (${ARCH} == "armv7")
 CHEZ_ARCH=	tarm32fb
 .elif (${ARCH} == "powerpc")
 CHEZ_ARCH=	tppc32fb
 .endif
 
 .if defined(NCURSES_RPATH)
 NCURSES_REPL=	-e 's|-Wl,-rpath,${NCURSESRPATH}||g'
 .else
 NCURSES_REPL=
 .endif
 
 pre-configure:
 	${REINPLACE_CMD} -e 's,/usr/X11R6,${LOCALBASE},g' \
 		-e 's,/usr/local,${LOCALBASE},g' ${NCURSES_REPL} \
 		-e 's,-liconv,${ICONV_LIB},g' ${WRKSRC}/configure
 
 pre-build-X11-off:
 	${ECHO_CMD} '#undef LIBX11' >>${WRKSRC}/c/version.h
 
 post-install:
 .for f in ${STRIP_FILES}
 	@${CHMOD} +w ${STAGEDIR}${PREFIX}/${f}
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/${f}
 	@${CHMOD} -w ${STAGEDIR}${PREFIX}/${f}
 .endfor
 
 .include <bsd.port.post.mk>
diff --git a/lang/chez-scheme/distinfo b/lang/chez-scheme/distinfo
index 157e16551d46..9735af090675 100644
--- a/lang/chez-scheme/distinfo
+++ b/lang/chez-scheme/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1761773518
-SHA256 (csv10.3.0.tar.gz) = d237d9874c6e8b0ccf7758daa8286a6e825528b13ce3b2bca56eb1f73cddbc2c
-SIZE (csv10.3.0.tar.gz) = 9227320
+TIMESTAMP = 1777931118
+SHA256 (csv10.4.0.tar.gz) = 54d0d19e4cd51878f88fb4b7ddb44079be6ca12bcf14163f8ea53cbcb4633385
+SIZE (csv10.4.0.tar.gz) = 9584467