diff --git a/math/form/Makefile b/math/form/Makefile
index 24c178d81e13..0b6055a87023 100644
--- a/math/form/Makefile
+++ b/math/form/Makefile
@@ -1,52 +1,52 @@
 PORTNAME=	form
-DISTVERSIONPREFIX=	v
-DISTVERSION=	4.3.1
-PORTREVISION=	1
+DISTVERSION=	5.0.0
 CATEGORIES=	math
+MASTER_SITES=	https://github.com/form-dev/form/releases/download/v${DISTVERSION}/
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Symbolic Manipulation System
-WWW=		https://www.nikhef.nl/~form/
+WWW=		https://www.nikhef.nl/~form/ \
+		https://github.com/form-dev/form
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-LIB_DEPENDS=	libgmp.so:math/gmp
+LIB_DEPENDS=	libgmp.so:math/gmp \
+		libmpfr.so:math/mpfr \
+		libzstd.so:archivers/zstd
 
 USES=		autoreconf gmake localbase
-USE_GITHUB=	yes
-GH_ACCOUNT=	vermaseren
 
 GNU_CONFIGURE=		yes
 CONFIGURE_ARGS+=	--disable-native \
 			--enable-largefile \
 			--enable-scalar \
 			--with-api=posix
 
 OPTIONS_DEFINE=	DOXYGEN OPENMPI
 OPTIONS_SUB=	yes
 
 MPICC?=		${LOCALBASE}/mpi/openmpi/bin/mpicc
 MPICXX?=	${LOCALBASE}/mpi/openmpi/bin/mpic++
 
 DOXYGEN_BUILD_DEPENDS=		doxygen:devel/doxygen
 OPENMPI_LIB_DEPENDS=		libgcc_s.so.1:lang/gcc9 \
 				libmpi.so:net/openmpi
 OPENMPI_CONFIGURE_ENABLE=	parform
 OPENMPI_CONFIGURE_ENV+=		MPICC="${MPICC}" \
 				MPICXX="${MPICXX}"
 
 .include <bsd.port.options.mk>
 
 .if ${OPSYS} == FreeBSD
 CFLAGS+=	-Wno-error=incompatible-function-pointer-types
 .endif
 
 post-build-DOXYGEN-on:
 	(cd ${WRKSRC}/doc/manual; ${MAKE_CMD} html pdf)
 
 post-install-DOXYGEN-on:
 	(cd ${WRKSRC}/doc/manual && ${COPYTREE_SHARE} html ${STAGEDIR}${DOCSDIR})
 	${INSTALL_DATA} ${WRKSRC}/doc/manual/manual.pdf ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/math/form/distinfo b/math/form/distinfo
index 9c32e83324f1..2aa8d0431803 100644
--- a/math/form/distinfo
+++ b/math/form/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1681277568
-SHA256 (vermaseren-form-v4.3.1_GH0.tar.gz) = c32bb45e3c52ecdfe1ea5bf8cca289bb5e9c7841af24eb971a3f30d886ac60b7
-SIZE (vermaseren-form-v4.3.1_GH0.tar.gz) = 1288306
+TIMESTAMP = 1769779175
+SHA256 (form-5.0.0.tar.gz) = 10d22acf2f0acf831b494e6a73682828980b9054ea8ec2b5dc46677dca8d6518
+SIZE (form-5.0.0.tar.gz) = 1741391
diff --git a/math/form/files/patch-configure.ac b/math/form/files/patch-configure.ac
index 30b228134f2d..0e383408c7d6 100644
--- a/math/form/files/patch-configure.ac
+++ b/math/form/files/patch-configure.ac
@@ -1,20 +1,11 @@
---- configure.ac.orig	2022-11-15 09:35:49 UTC
+--- configure.ac.orig	2026-01-27 09:44:03 UTC
 +++ configure.ac
-@@ -768,8 +768,6 @@ AC_DEFUN([AX_HANDLE_EXTRA_WARNING],
- 		[$1="$$1 -Wno-misleading-indentation"])
- 	# Too many false positives.
- 	# See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
--	AX_CHECK_COMPILE_FLAG([-Wno-stringop-overflow],
--		[$1="$$1 -Wno-stringop-overflow"])
- fi[]dnl
- ])
- 
-@@ -780,7 +778,7 @@ if test "$my_test_COMPILEFLAGS" != set; then
- 		COMPILEFLAGS="-Wall -Wextra -Wpadded"
+@@ -938,7 +938,7 @@ if test "$my_test_COMPILEFLAGS" != set; then
+ 		COMPILEFLAGS="-Wall -Wextra"
  		AX_HANDLE_EXTRA_WARNING([COMPILEFLAGS])
  		# Enable optimizations.
 -		COMPILEFLAGS="$COMPILEFLAGS -O3"
 +		COMPILEFLAGS="$COMPILEFLAGS"
- 		if test "x$enable_profile" != xgprof; then
- 			# -pg conflicts with -fomit-frame-pointer.
- 			COMPILEFLAGS="$COMPILEFLAGS -fomit-frame-pointer"
+ 		if test "x$enable_backtrace" = xyes; then
+ 			# Keep symbols and frame pointers for easier debugging.
+ 			COMPILEFLAGS="$COMPILEFLAGS -g -fno-omit-frame-pointer"