diff --git a/math/mathmod/Makefile b/math/mathmod/Makefile
index abfa45dfdc8f..4972616b5e10 100644
--- a/math/mathmod/Makefile
+++ b/math/mathmod/Makefile
@@ -1,22 +1,21 @@
 PORTNAME=	MathMod
-PORTVERSION=	11.1
-PORTREVISION=	1
+PORTVERSION=	12.0
 CATEGORIES=	math graphics
 
 MAINTAINER=	thierry@FreeBSD.org
 COMMENT=	Mathematical modeling software
 WWW=		https://sourceforge.net/projects/mathmod/
 
 LICENSE=	GPLv2
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	parisolab
 GH_PROJECT=	${PORTNAME:tl}
 
 USES=		compiler:c++11-lang dos2unix gl qmake qt:5
 USE_GL=		gl
 USE_QT=		buildtools:build core gui opengl qmake:build widgets
 
 PLIST_FILES=	bin/${PORTNAME}
 
 .include <bsd.port.mk>
diff --git a/math/mathmod/distinfo b/math/mathmod/distinfo
index 8a2dfb7a8440..0740f9fbed3b 100644
--- a/math/mathmod/distinfo
+++ b/math/mathmod/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1624021240
-SHA256 (parisolab-mathmod-11.1_GH0.tar.gz) = b9d4c550d09a8ad307df90ffbb6f89e81846c5ea93d3f3e2616207a76227421a
-SIZE (parisolab-mathmod-11.1_GH0.tar.gz) = 7934535
+TIMESTAMP = 1736367650
+SHA256 (parisolab-mathmod-12.0_GH0.tar.gz) = 5758423f87ec71da9afe86e250127f62d74d44a6a3131b6da99c9d830eafb300
+SIZE (parisolab-mathmod-12.0_GH0.tar.gz) = 9392067
diff --git a/math/mathmod/files/patch-MathMod.pro b/math/mathmod/files/patch-MathMod.pro
index 58e317b0da6a..9130e6213531 100644
--- a/math/mathmod/files/patch-MathMod.pro
+++ b/math/mathmod/files/patch-MathMod.pro
@@ -1,15 +1,12 @@
---- MathMod.pro.orig	2021-03-08 16:59:36 UTC
+--- MathMod.pro.orig	2025-01-08 20:23:35 UTC
 +++ MathMod.pro
-@@ -64,10 +64,10 @@ OTHER_FILES     += \
+@@ -63,7 +63,7 @@ OTHER_FILES     += \
                  mathmodcollection.js \
                  mathmodconfig.js
  # install
 -target.path    = $TARGET
 +target.path    = $$INSTALL_ROOT/$$PREFIX/bin/
  sources.files  = $$SOURCES $$HEADERS $$RESOURCES $$FORMS mathmod.pro
  sources.path   = $TARGET
 -INSTALLS      += target sources
 +INSTALLS      += target
- 
- DISTFILES += \
-     advancedmodels.js