diff --git a/math/coin-or-mumps/Makefile b/math/coin-or-mumps/Makefile
index c274e450f0bb..eb1fa58b62e9 100644
--- a/math/coin-or-mumps/Makefile
+++ b/math/coin-or-mumps/Makefile
@@ -1,48 +1,51 @@
 PORTNAME=	mumps
 DISTVERSIONPREFIX=	releases/
 DISTVERSION=	3.0.3
+PORTREVISION=	1
 CATEGORIES=	math
-MASTER_SITES=	http://mumps.enseeiht.fr/:mumps
+MASTER_SITES=	http://coin-or-tools.github.io/ThirdParty-Mumps/:mumps
 PKGNAMEPREFIX=	coin-or-
 DISTFILES=	MUMPS_${MUMPS_VERSION}.tar.gz:mumps
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	COIN-OR autotools harness to build Mumps
 WWW=		https://github.com/coin-or-tools/ThirdParty-Mumps
 
 LICENSE=	EPL
 
 LIB_DEPENDS=	libblas.so:math/blas \
 		libcoinmetis.so:math/coin-or-metis \
 		liblapack.so:math/lapack
 
 USES=		fortran gmake libtool pkgconfig
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	coin-or-tools
 GH_PROJECT=	ThirdParty-Mumps
 
 GNU_CONFIGURE=	yes
 
+MAKE_JOBS_UNSAFE=	yes # otherwise build doesn't find some *.mod files
+
 INSTALL_TARGET=	install-strip
 
-MUMPS_VERSION=	5.4.1 # from the script get.Mumps
+MUMPS_VERSION=	5.5.0 # from the script get.Mumps
 
 .include <bsd.port.pre.mk>
 
 .if ${GCC_DEFAULT} >= 10
 # workaround for Rank mismatch between actual argument at (1) and actual argument at (2) (scalar and rank-1)
 # in theory, this should set FCFLAGS, but the port does not conform
 FFLAGS+=	-fallow-argument-mismatch
 .endif
 
 post-extract: # link MUMPS into the location in the tree
 	@cd ${WRKSRC} && ${LN} -s ${WRKDIR}/MUMPS_${MUMPS_VERSION} MUMPS
 
-pre-build: # patching from get.Mumps
+post-patch: # patching from get.Mumps
 	@cd ${WRKSRC} && \
 		${PATCH} -p0 < mumps_mpi.patch && \
 		${MV} MUMPS/libseq/mpi.h MUMPS/libseq/mumps_mpi.h
 
 .include <bsd.port.post.mk>
diff --git a/math/coin-or-mumps/distinfo b/math/coin-or-mumps/distinfo
index 396dc5d5f533..3d26b5337361 100644
--- a/math/coin-or-mumps/distinfo
+++ b/math/coin-or-mumps/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1662331865
-SHA256 (MUMPS_5.4.1.tar.gz) = 93034a1a9fe0876307136dcde7e98e9086e199de76f1c47da822e7d4de987fa8
-SIZE (MUMPS_5.4.1.tar.gz) = 4027725
+TIMESTAMP = 1669191120
+SHA256 (MUMPS_5.5.0.tar.gz) = e54d17c5e42a36c40607a03279e0704d239d71d38503aab68ef3bfe0a9a79c13
+SIZE (MUMPS_5.5.0.tar.gz) = 4227467
 SHA256 (coin-or-tools-ThirdParty-Mumps-releases-3.0.3_GH0.tar.gz) = 0f56566890917751691f2b633b17765acc77e0a2205ce034dc3e362aa69b118a
 SIZE (coin-or-tools-ThirdParty-Mumps-releases-3.0.3_GH0.tar.gz) = 295973