diff --git a/math/octave-forge-control/Makefile b/math/octave-forge-control/Makefile
index 4b47ba97c5dd..81e959604065 100644
--- a/math/octave-forge-control/Makefile
+++ b/math/octave-forge-control/Makefile
@@ -1,22 +1,26 @@
 PORTNAME=	octave-forge-control
 DISTVERSIONPREFIX=	control-
-DISTVERSION=	3.6.1
+DISTVERSION=	4.0.0
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Octave-forge package ${OCTAVE_PKGNAME}
 WWW=		https://packages.octave.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKDIR}/${OCTAVE_SRC}/COPYING
 
 USES=		octave autoreconf
 USE_GITHUB=	yes
-GH_ACCOUNT=	gnu-octave
-GH_PROJECT=	pkg-control
+GH_ACCOUNT=	gnu-octave SLICOT:slicot
+GH_PROJECT=	pkg-control SLICOT-Reference:slicot
+GH_TAGNAME=	401037e:slicot
 
 OCTAVE_SRC=	${GH_PROJECT}-control-${DISTVERSION}
 
 GNU_CONFIGURE=	yes
 
+pre-configure:
+	${REINPLACE_CMD} -e '/SC_SRC.*\:\=/s+slicot+${WRKSRC_slicot}'+ ${WRKSRC}/Makefile
+
 .include <bsd.port.mk>
diff --git a/math/octave-forge-control/distinfo b/math/octave-forge-control/distinfo
index cbdf0b104f2a..9c1bab680fca 100644
--- a/math/octave-forge-control/distinfo
+++ b/math/octave-forge-control/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1689037919
-SHA256 (octave-forge/gnu-octave-pkg-control-control-3.6.1_GH0.tar.gz) = 07485118f2e71cfc38388802d7f77e948fb994f4e0ce7e91dca35ea17ad442cc
-SIZE (octave-forge/gnu-octave-pkg-control-control-3.6.1_GH0.tar.gz) = 2908169
+TIMESTAMP = 1704436563
+SHA256 (octave-forge/gnu-octave-pkg-control-control-4.0.0_GH0.tar.gz) = 758931c1b0331bab28a522e21e22b928c387b698dbef61bb9d8813bab845d79c
+SIZE (octave-forge/gnu-octave-pkg-control-control-4.0.0_GH0.tar.gz) = 331350
+SHA256 (octave-forge/SLICOT-SLICOT-Reference-401037e_GH0.tar.gz) = bbdf70fe0a069ca80567f4421ba428ff9ea99b57f96ca552467032750f48b66f
+SIZE (octave-forge/SLICOT-SLICOT-Reference-401037e_GH0.tar.gz) = 2868815