diff --git a/math/arpack-ng/Makefile b/math/arpack-ng/Makefile
index 64f7d617982c..31271bf4d010 100644
--- a/math/arpack-ng/Makefile
+++ b/math/arpack-ng/Makefile
@@ -1,68 +1,67 @@
 PORTNAME=	arpack-ng
-DISTVERSION=	3.9.0
-PORTREVISION=	1
+DISTVERSION=	3.9.1
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Revised Argand library for solving large-scale eigenvalue problems
 WWW=		https://forge.scilab.org/index.php/p/arpack-ng/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libmpich.so:net/mpich # MPI is incremental: it adds the libparpack.so lib, it is a candidate for a sub-package
 
 USES=		autoreconf fortran libtool pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT=	opencollab
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-blas="${BLAS}" \
 		--with-lapack="${LAPACK}" \
 		--enable-mpi \
 		--disable-static \
 		--enable-icb
 LDFLAGS+=	-L${LOCALBASE}/lib
 TEST_TARGET=	check
 USE_LDCONFIG=	yes
 
 PORTDOCS=	*
 PORTEXAMPLES=	*
 
 CONFLICTS_INSTALL=	arpack
 
 OPTIONS_DEFINE=	DOCS EXAMPLES
 
 WITH_BLAS?=	blas
 
 .if ${WITH_BLAS} == "gotoblas"
 BLAS=		-lgoto2p
 LAPACK=		-lgoto2p
 LIB_DEPENDS+=	libgoto2p.so:math/gotoblas
 .elif ${WITH_BLAS} == "atlas"
 BLAS=		-lptf77blas
 LAPACK=		-lalapack -lptcblas
 LIB_DEPENDS+=	libptf77blas.so:math/atlas
 .elif ${WITH_BLAS} == "blas"
 BLAS=		-lblas
 LAPACK=		-llapack
 LIB_DEPENDS+=	libblas.so:math/blas \
 		liblapack.so:math/lapack
 .else
 IGNORE=		unknown value of WITH_BLAS: ${WITH_BLAS}
 .endif
 
 pre-configure:
 	@cd ${WRKSRC}; ./bootstrap
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/lib*arpack.so.*.*
 
 post-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	cd ${WRKSRC}/DOCUMENTS && ${COPYTREE_SHARE} \* ${STAGEDIR}${DOCSDIR}
 
 post-install-EXAMPLES-on:
 	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	cd ${WRKSRC}/EXAMPLES && ${COPYTREE_SHARE} . ${STAGEDIR}${EXAMPLESDIR}
 
 .include <bsd.port.mk>
diff --git a/math/arpack-ng/distinfo b/math/arpack-ng/distinfo
index baf56ca41baf..b61892bc9f3d 100644
--- a/math/arpack-ng/distinfo
+++ b/math/arpack-ng/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1679417859
-SHA256 (opencollab-arpack-ng-3.9.0_GH0.tar.gz) = 24f2a2b259992d3c797d80f626878aa8e2ed5009d549dad57854bbcfb95e1ed0
-SIZE (opencollab-arpack-ng-3.9.0_GH0.tar.gz) = 1015328
+TIMESTAMP = 1697347164
+SHA256 (opencollab-arpack-ng-3.9.1_GH0.tar.gz) = f6641deb07fa69165b7815de9008af3ea47eb39b2bb97521fbf74c97aba6e844
+SIZE (opencollab-arpack-ng-3.9.1_GH0.tar.gz) = 1020208
diff --git a/math/arpack-ng/pkg-plist b/math/arpack-ng/pkg-plist
index dec62e6e136a..4e566a75cdbe 100644
--- a/math/arpack-ng/pkg-plist
+++ b/math/arpack-ng/pkg-plist
@@ -1,23 +1,22 @@
-include/arpack-ng/arpack.h
-include/arpack-ng/arpack.hpp
-include/arpack-ng/arpackdef.h
-include/arpack-ng/arpackicb.h
-include/arpack-ng/debug.h
-include/arpack-ng/debugF90.h
-include/arpack-ng/debug_c.h
-include/arpack-ng/debug_c.hpp
-include/arpack-ng/parpack.h
-include/arpack-ng/parpack.hpp
-include/arpack-ng/stat.h
-include/arpack-ng/statF90.h
-include/arpack-ng/stat_c.h
-include/arpack-ng/stat_c.hpp
+include/arpack/arpack.h
+include/arpack/arpack.hpp
+include/arpack/arpackdef.h
+include/arpack/arpackicb.h
+include/arpack/debug.h
+include/arpack/debugF90.h
+include/arpack/debug_c.h
+include/arpack/debug_c.hpp
+include/arpack/parpack.h
+include/arpack/parpack.hpp
+include/arpack/stat.h
+include/arpack/statF90.h
+include/arpack/stat_c.h
+include/arpack/stat_c.hpp
 lib/libarpack.so
 lib/libarpack.so.2
 lib/libarpack.so.2.1.0
 lib/libparpack.so
 lib/libparpack.so.2
 lib/libparpack.so.2.1.0
 libdata/pkgconfig/arpack.pc
-libdata/pkgconfig/arpackSolver.pc
 libdata/pkgconfig/parpack.pc