diff --git a/math/4ti2/Makefile b/math/4ti2/Makefile
index a80b86a0c114..092c983d8424 100644
--- a/math/4ti2/Makefile
+++ b/math/4ti2/Makefile
@@ -1,31 +1,32 @@
 PORTNAME=	4ti2
 DISTVERSIONPREFIX=	Release_
-DISTVERSION=	1_6_13
+DISTVERSION=	1_6_15
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Solve algebraic, geometric, combinatorial problems on linear spaces
-WWW=		https://4ti2.github.io/
+WWW=		https://4ti2.github.io/ \
+		https://github.com/4ti2/4ti2
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libglpk.so:math/glpk \
 		libgmp.so:math/gmp
 
 USES=		autoreconf compiler:c++11-lang gmake libtool shebangfix
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 
 SHEBANG_FILES=	test/check.template.in
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static --enable-shared --with-glpk=${LOCALBASE} --with-gmp=${LOCALBASE}
 
 INSTALL_TARGET=	install-strip
 
 TEST_TARGET=	check # tests fail to run: https://github.com/4ti2/4ti2/issues/26
 
 OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.mk>
diff --git a/math/4ti2/distinfo b/math/4ti2/distinfo
index 1d0872a1335c..ad9d37244685 100644
--- a/math/4ti2/distinfo
+++ b/math/4ti2/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1753038439
-SHA256 (4ti2-4ti2-Release_1_6_13_GH0.tar.gz) = 37b36536f0b9185afa8e0c9badf6a6b5277b7a4a8409726d599cf254946e94fa
-SIZE (4ti2-4ti2-Release_1_6_13_GH0.tar.gz) = 4991075
+TIMESTAMP = 1778801589
+SHA256 (4ti2-4ti2-Release_1_6_15_GH0.tar.gz) = d95a3e8379c93063438c8c85847058484e102de810d83865feeac1a9faa6e73f
+SIZE (4ti2-4ti2-Release_1_6_15_GH0.tar.gz) = 5157845