diff --git a/math/octave-forge-internal-fluid-flow/Makefile b/math/octave-forge-internal-fluid-flow/Makefile
index 9303250635f6..96101798bd2b 100644
--- a/math/octave-forge-internal-fluid-flow/Makefile
+++ b/math/octave-forge-internal-fluid-flow/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	octave-forge-internal-fluid-flow
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.3.0
+DISTVERSION=	0.3.1
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
 COMMENT=	Octave-forge package ${OCTAVE_PKGNAME}
 WWW=		https://packages.octave.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKDIR}/${OCTSRC}/COPYING
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	aumpierre-unb
 GH_PROJECT=	internal-Fluid-Flow-for-GNU-Octave
 
 # OCTSRC is the name of the directory of the package.
 # It is usually ${OCTAVE_PKGNAME} or ${DISTNAME}.
 OCTSRC=		Internal-Fluid-Flow-for-GNU-Octave-${DISTVERSION}
 
 .include "${.CURDIR}/../../Mk/bsd.octave.mk"
 
 do-build:
 	@${DO_NADA}
 
 NO_ARCH=	yes
 
 post-build:
 	${RM} ${WRKSRC}/Makefile ${WRKSRC}/configure
 	cd ${WRKDIR} && ${TAR} cfz ${OCTAVE_DISTNAME}.tar.gz ${OCTSRC}
 
 .include <bsd.port.mk>
diff --git a/math/octave-forge-internal-fluid-flow/distinfo b/math/octave-forge-internal-fluid-flow/distinfo
index d0b423223eb2..b8a2fd8868e0 100644
--- a/math/octave-forge-internal-fluid-flow/distinfo
+++ b/math/octave-forge-internal-fluid-flow/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1670180267
-SHA256 (octave-forge/aumpierre-unb-internal-Fluid-Flow-for-GNU-Octave-v0.3.0_GH0.tar.gz) = 797ec438ae67d74c88e1ca34e18cf07999ccd278631a062d5b0d3d69a0bd2c5c
-SIZE (octave-forge/aumpierre-unb-internal-Fluid-Flow-for-GNU-Octave-v0.3.0_GH0.tar.gz) = 158048
+TIMESTAMP = 1670393036
+SHA256 (octave-forge/aumpierre-unb-internal-Fluid-Flow-for-GNU-Octave-v0.3.1_GH0.tar.gz) = 39712bd78aa28742ea44f53cdf3c4567fff1981e15173f1b01b2071edd32db34
+SIZE (octave-forge/aumpierre-unb-internal-Fluid-Flow-for-GNU-Octave-v0.3.1_GH0.tar.gz) = 157933