diff --git a/math/form/Makefile b/math/form/Makefile
index 4312126b0f03..ae61e200264b 100644
--- a/math/form/Makefile
+++ b/math/form/Makefile
@@ -1,49 +1,45 @@
 PORTNAME=	form
-PORTVERSION=	4.3.0
+PORTVERSION=	4.3.1
 DISTVERSIONPREFIX=	v
-PORTREVISION=	1
 CATEGORIES=	math
 
-PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
-PATCHFILES+=	28e15eaf0856a0a012795298d6a4b570e764a8b1.patch:-p1 # https://github.com/vermaseren/form/issues/422
-
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	Symbolic Manipulation System
 WWW=		https://www.nikhef.nl/~form/
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libgmp.so:math/gmp
 
 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}"
 
 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 5f40cc1899b7..9c32e83324f1 100644
--- a/math/form/distinfo
+++ b/math/form/distinfo
@@ -1,5 +1,3 @@
-TIMESTAMP = 1671183384
-SHA256 (vermaseren-form-v4.3.0_GH0.tar.gz) = b0b09e1fd74b11e76cd527c1ece9383a34560e57513df76a4cc1fbe2e8df93a8
-SIZE (vermaseren-form-v4.3.0_GH0.tar.gz) = 1285467
-SHA256 (28e15eaf0856a0a012795298d6a4b570e764a8b1.patch) = 2dffdb5e5e83328c970f5a35c7f093e9588d9684ecbe2de1c154c22271438fcf
-SIZE (28e15eaf0856a0a012795298d6a4b570e764a8b1.patch) = 1938
+TIMESTAMP = 1681277568
+SHA256 (vermaseren-form-v4.3.1_GH0.tar.gz) = c32bb45e3c52ecdfe1ea5bf8cca289bb5e9c7841af24eb971a3f30d886ac60b7
+SIZE (vermaseren-form-v4.3.1_GH0.tar.gz) = 1288306