diff --git a/math/octave-forge-csg-toolkit/Makefile b/math/octave-forge-csg-toolkit/Makefile
index 93a44bd405efd..2c114afd1d61b 100644
--- a/math/octave-forge-csg-toolkit/Makefile
+++ b/math/octave-forge-csg-toolkit/Makefile
@@ -1,7 +1,6 @@
 PORTNAME=	octave-forge-csg-toolkit
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.3.0
-PORTREVISION=	1
+DISTVERSION=	1.3.1
 CATEGORIES=	math
 
 MAINTAINER=	stephen@FreeBSD.org
diff --git a/math/octave-forge-csg-toolkit/distinfo b/math/octave-forge-csg-toolkit/distinfo
index 718ee2a8aa016..5c781fcaf0ddc 100644
--- a/math/octave-forge-csg-toolkit/distinfo
+++ b/math/octave-forge-csg-toolkit/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1680543929
-SHA256 (octave-forge/pr0m1th3as-csg-toolkit-v1.3.0_GH0.tar.gz) = 24b23e97ced970f058dd303bbd55e4a6176e802a6d160e535958c134758563b6
-SIZE (octave-forge/pr0m1th3as-csg-toolkit-v1.3.0_GH0.tar.gz) = 171146
+TIMESTAMP = 1706625886
+SHA256 (octave-forge/pr0m1th3as-csg-toolkit-v1.3.1_GH0.tar.gz) = 4205866d6f2a69e641bf1c3ecf697fad578d810e7a1b62e51ca16987e419225a
+SIZE (octave-forge/pr0m1th3as-csg-toolkit-v1.3.1_GH0.tar.gz) = 171161