diff --git a/math/gmm++/Makefile b/math/gmm++/Makefile
index 32e28c4f4eeb..a12c41f17639 100644
--- a/math/gmm++/Makefile
+++ b/math/gmm++/Makefile
@@ -1,21 +1,21 @@
 PORTNAME=	gmm++
-PORTVERSION=	5.4
+PORTVERSION=	5.4.2
 CATEGORIES=	math
 MASTER_SITES=	http://download-mirror.savannah.gnu.org/releases/getfem/stable/
 DISTNAME=	${PORTNAME:S/+//g}-${PORTVERSION}
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	Generic matrix template library
 
 # Note: even though the port's COPYING file mentions gmm++ is licensed under
 # the LGPL version 2.1 with the GCC runtime exception,
 # <http://getfem.org/whatsnew/4.2.html> mentions
 # v4.2 is licensed under the LGPL version 3 with the GCC runtime exception, and
 # so say the headers which are installed.
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 GNU_CONFIGURE=	yes
 NO_BUILD=	yes
 
 .include <bsd.port.mk>
diff --git a/math/gmm++/distinfo b/math/gmm++/distinfo
index cd40c4882919..f67ab2d035df 100644
--- a/math/gmm++/distinfo
+++ b/math/gmm++/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1587497116
-SHA256 (gmm-5.4.tar.gz) = 7163d5080efbe6893d1950e4b331cd3e9160bb3dcf583d206920fba6af7b1e56
-SIZE (gmm-5.4.tar.gz) = 547563
+TIMESTAMP = 1661540522
+SHA256 (gmm-5.4.2.tar.gz) = 5206e732643f6934109028b2f173660f2c2edcb0ee269228d694acca6e22c88a
+SIZE (gmm-5.4.2.tar.gz) = 545222