diff --git a/math/mdal/Makefile b/math/mdal/Makefile
index 1ef54c326153..a2d5099e06fc 100644
--- a/math/mdal/Makefile
+++ b/math/mdal/Makefile
@@ -1,38 +1,37 @@
 PORTNAME=	mdal
 DISTVERSIONPREFIX=	release-
-DISTVERSION=	1.2.0
-PORTREVISION=	5
+DISTVERSION=	1.3.1
 CATEGORIES=	math geography
 
 MAINTAINER=	wen@FreeBSD.org
 COMMENT=	Mesh data abstration library
 WWW=		https://www.mdal.xyz/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${LOCALBASE}/include/gtest/gtest.h:devel/googletest
 LIB_DEPENDS=	libpdalcpp.so:math/pdal \
 		libnetcdf.so:science/netcdf \
 		libgdal.so:graphics/gdal \
 		libhdf5.so:science/hdf5 \
 		libsz.so:science/libaec
 
 USES=		cmake gnome localbase sqlite
 USE_GNOME=	libxml2
 USE_LDCONFIG=	yes
 
 PLIST_FILES=	bin/mdal_translate \
 		bin/mdalinfo \
 		include/mdal.h \
 		lib/libmdal.so \
 		lib/libmdal_a.a
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	lutraconsulting
 GH_PROJECT=	MDAL
 
 CMAKE_ARGS=	-DSQLITE3_INCLUDE_DIRS="${LOCALBASE}/include" \
 		-DSQLITE3_LIBRARY="${LOCALBASE}/lib/libsqlite3.so"
 
 .include <bsd.port.mk>
diff --git a/math/mdal/distinfo b/math/mdal/distinfo
index 68030c466242..ac54efbc281d 100644
--- a/math/mdal/distinfo
+++ b/math/mdal/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1716859101
-SHA256 (lutraconsulting-MDAL-release-1.2.0_GH0.tar.gz) = d97ac5543daf25c388dee770d0b14d6462e5e596b502b5314018c056aeea7919
-SIZE (lutraconsulting-MDAL-release-1.2.0_GH0.tar.gz) = 88009275
+TIMESTAMP = 1757039653
+SHA256 (lutraconsulting-MDAL-release-1.3.1_GH0.tar.gz) = 86431efe97680201583ba0491ecd110e2c50d006134cd02ff8b9630123cda998
+SIZE (lutraconsulting-MDAL-release-1.3.1_GH0.tar.gz) = 88023474