diff --git a/math/octave-forge-biosig/Makefile b/math/octave-forge-biosig/Makefile
index dd743cc8239b..bf1d307b705a 100644
--- a/math/octave-forge-biosig/Makefile
+++ b/math/octave-forge-biosig/Makefile
@@ -1,23 +1,22 @@
 PORTNAME=	octave-forge-biosig
-DISTVERSION=	3.9.5
-PORTREVISION=	2
+DISTVERSION=	3.9.7
 CATEGORIES=	math
 MASTER_SITES=	https://sourceforge.net/projects/biosig/files/Biosig%20for%20Octave/
 DISTNAME=	biosig4octave-${DISTVERSION}.src
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Octave-forge package ${OCTAVE_PKGNAME}
 WWW=		https://packages.octave.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKDIR}/${OCTAVE_SRC}/COPYING
 
 LIB_DEPENDS+=	libbiosig.so:biology/biosig
 
 USES=		octave
 
 ALL_TARGET=	# nada
 
 OCTAVE_SRC=		${DISTNAME:R}
 
 .include <bsd.port.mk>
diff --git a/math/octave-forge-biosig/distinfo b/math/octave-forge-biosig/distinfo
index 76ab5a6e7bd3..a9eede6e75c4 100644
--- a/math/octave-forge-biosig/distinfo
+++ b/math/octave-forge-biosig/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775484925
-SHA256 (octave-forge/biosig4octave-3.9.5.src.tar.gz) = ef7546757df44dd8663dc97d8b5931aa824f546c2e62320aadb3245dbe30fbdd
-SIZE (octave-forge/biosig4octave-3.9.5.src.tar.gz) = 1451284
+TIMESTAMP = 1784311425
+SHA256 (octave-forge/biosig4octave-3.9.7.src.tar.gz) = e25a9089987fd51b4a752806581eb82c35b96bb368edc246a8771f4fd906e851
+SIZE (octave-forge/biosig4octave-3.9.7.src.tar.gz) = 1456715