diff --git a/science/libint2/Makefile b/science/libint2/Makefile
index 3659f0594c14..74218c995f3c 100644
--- a/science/libint2/Makefile
+++ b/science/libint2/Makefile
@@ -1,49 +1,49 @@
 PORTNAME=	libint
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.8.2
+DISTVERSION=	2.9.0
 CATEGORIES=	science
 PKGNAMESUFFIX=	2
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Evaluate the integrals in modern atomic and molecular theory
 WWW=		https://github.com/evaleev/libint
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libboost_system.so:devel/boost-libs \
 		libgmpxx.so:math/gmp
 
 USES=		autoreconf:build compiler:c++11-lang gmake libtool localbase:ldflags
 USE_CXXSTD=	c++14
 USE_GITHUB=	yes
 GH_ACCOUNT=	evaleev
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-shared \
 		--enable-1body=1 --enable-eri=1 --enable-eri3=1 --enable-eri2=1 --enable-contracted-ints \
 		--with-cc-optflags="${CFLAGS}" --with-cxx-optflags="${CXXFLAGS}"
 
 ALL_TARGET=	default
 
 PLIST_SUB=	VER=${DISTVERSION}
 
 OPTIONS_DEFINE=			STATIC # osa@ requested to keep static libs on 2018/08/28
 OPTIONS_SUB=			yes
 
 STATIC_CONFIGURE_ENABLE=	static
 
 post-patch:
 	@${REINPLACE_CMD} -e 's| -rpath|${LDFLAGS} -rpath|g' \
 		${WRKSRC}/src/lib/MakeVars.in
 
 pre-configure:
 # Cannot run autoheader so cannot use autoreconf.
 	@cd ${WRKSRC} && ${LOCALBASE}/bin/libtoolize -c -f \
 		&& ${LOCALBASE}/bin/aclocal && ${LOCALBASE}/bin/autoconf
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/*.so
 
 .include <bsd.port.mk>
diff --git a/science/libint2/distinfo b/science/libint2/distinfo
index 6f0b08dbff51..df226234ede7 100644
--- a/science/libint2/distinfo
+++ b/science/libint2/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1707207388
-SHA256 (evaleev-libint-v2.8.2_GH0.tar.gz) = dcd528cea99c9cedfd147437048ab82d384f29e95850482d54049bbaf05c2271
-SIZE (evaleev-libint-v2.8.2_GH0.tar.gz) = 25217517
+TIMESTAMP = 1709722866
+SHA256 (evaleev-libint-v2.9.0_GH0.tar.gz) = 4929b2f2d3e53479270be052e366e8c70fa154a7f309e5c2c23b7d394159687d
+SIZE (evaleev-libint-v2.9.0_GH0.tar.gz) = 21705777
diff --git a/science/libint2/pkg-plist b/science/libint2/pkg-plist
index 4e27373997e2..878bd0c4f71b 100644
--- a/science/libint2/pkg-plist
+++ b/science/libint2/pkg-plist
@@ -1,156 +1,159 @@
 include/libint2.h
 include/libint2.hpp
 include/libint2/GenericContract.h
 include/libint2/GenericGaussDeriv.h
 include/libint2/GenericGaussDeriv.impl.h
 include/libint2/GenericScale.h
 include/libint2/ITR_xs_xs.h
 include/libint2/OSVRR_sx_sx.h
 include/libint2/OSVRR_sx_sx_deriv.h
 include/libint2/OSVRR_xs_xs.h
 include/libint2/OSVRR_xs_xs_deriv.h
 include/libint2/VRR_GTG_1d_xx_xx.h
 include/libint2/VRR_GTG_1d_xx_xx_vec.h
 include/libint2/VRR_r12kg12_xs_xs.h
 include/libint2/atom.h
 include/libint2/basis.h
 include/libint2/boys.h
 include/libint2/boys_cheb7.h
 include/libint2/boys_cheb7_v2.h
 include/libint2/boys_fwd.h
 include/libint2/braket.h
 include/libint2/cartesian.h
 include/libint2/cgshell_ordering.h
 include/libint2/cgshellinfo.h
 include/libint2/chemistry/elements.h
 include/libint2/chemistry/sto3g_atomic_density.h
 include/libint2/config.h
 include/libint2/cxxapi.h
 include/libint2/deriv_iter.h
 include/libint2/deriv_map.h
 include/libint2/diis.h
+include/libint2/dfbs_generator.h
 include/libint2/engine.h
 include/libint2/engine.impl.h
 include/libint2/initialize.h
 include/libint2/lcao/1body.h
 include/libint2/lcao/molden.h
 include/libint2/libint2_iface.h
 include/libint2/libint2_params.h
 include/libint2/libint2_types.h
 include/libint2/numeric.h
+include/libint2/pivoted_cholesky.h
 include/libint2/shell.h
 include/libint2/shgshell_ordering.h
+include/libint2/soad_fock.h
 include/libint2/solidharmonics.h
 include/libint2/statics_definition.h
 include/libint2/tenno_cheb.h
 include/libint2/tenno_cheb15.h
 include/libint2/tensor.h
 include/libint2/util/any.h
 include/libint2/util/array_adaptor.h
 include/libint2/util/compressed_pair.h
 include/libint2/util/configuration.h
 include/libint2/util/cxxstd.h
 include/libint2/util/deprecated.h
 include/libint2/util/generated/libint2_iface.h
 include/libint2/util/generated/libint2_params.h
 include/libint2/util/generated/libint2_types.h
 include/libint2/util/intpart_iter.h
 include/libint2/util/intrinsic_operations.h
 include/libint2/util/intrinsic_types.h
 include/libint2/util/memory.h
 include/libint2/util/singleton.h
 include/libint2/util/small_vector.h
 include/libint2/util/timer.h
 include/libint2/util/type_traits.h
 include/libint2/util/vector.h
 include/libint2/util/vector_ppc.h
 include/libint2/util/vector_x86.h
 lib/libint2.so
 lib/libint2.so.2
 lib/libint2.so.2.0.3
 libdata/pkgconfig/libint2.pc
 %%DATADIR%%/%%VER%%/basis/3-21g.g94
 %%DATADIR%%/%%VER%%/basis/6-311g**.g94
 %%DATADIR%%/%%VER%%/basis/6-311gss.g94
 %%DATADIR%%/%%VER%%/basis/6-31g**.g94
 %%DATADIR%%/%%VER%%/basis/6-31g*.g94
 %%DATADIR%%/%%VER%%/basis/6-31g.g94
 %%DATADIR%%/%%VER%%/basis/6-31gs.g94
 %%DATADIR%%/%%VER%%/basis/6-31gss.g94
 %%DATADIR%%/%%VER%%/basis/ano-rcc.g94
 %%DATADIR%%/%%VER%%/basis/aug-cc-pv5z-cabs.g94
 %%DATADIR%%/%%VER%%/basis/aug-cc-pvdz-cabs.g94
 %%DATADIR%%/%%VER%%/basis/aug-cc-pvqz-cabs.g94
 %%DATADIR%%/%%VER%%/basis/aug-cc-pvtz-cabs.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pv5z-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pv5z-ri.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pv5z.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pv6z-ri.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pv6z.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvdz-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvdz-ri.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvdz.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvqz-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvqz-ri.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvqz.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvtz-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvtz-ri.g94
 %%DATADIR%%/%%VER%%/basis/augmentation-cc-pvtz.g94
 %%DATADIR%%/%%VER%%/basis/cc-pv5z-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/cc-pv5z-ri.g94
 %%DATADIR%%/%%VER%%/basis/cc-pv5z.g94
 %%DATADIR%%/%%VER%%/basis/cc-pv6z-ri.g94
 %%DATADIR%%/%%VER%%/basis/cc-pv6z.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvdz-f12-cabs.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvdz-f12.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvdz-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvdz-ri.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvdz.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvqz-f12-cabs.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvqz-f12.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvqz-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvqz-ri.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvqz.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvtz-f12-cabs.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvtz-f12.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvtz-jkfit.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvtz-mini.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvtz-ri.g94
 %%DATADIR%%/%%VER%%/basis/cc-pvtz.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvp-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvp-j.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvp-jk.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvp.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvpd.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvpp-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvpp-j.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvpp-jk.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvpp.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvppd-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-qzvppd.g94
 %%DATADIR%%/%%VER%%/basis/def2-sv(p)-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-sv(p)-j.g94
 %%DATADIR%%/%%VER%%/basis/def2-sv(p)-jk.g94
 %%DATADIR%%/%%VER%%/basis/def2-sv(p).g94
 %%DATADIR%%/%%VER%%/basis/def2-sv.g94
 %%DATADIR%%/%%VER%%/basis/def2-svp-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-svp-j.g94
 %%DATADIR%%/%%VER%%/basis/def2-svp-jk.g94
 %%DATADIR%%/%%VER%%/basis/def2-svp.g94
 %%DATADIR%%/%%VER%%/basis/def2-svpd-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-svpd.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvp-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvp-j.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvp-jk.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvp.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvpd-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvpd.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvpp-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvpp-j.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvpp-jk.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvpp.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvppd-c.g94
 %%DATADIR%%/%%VER%%/basis/def2-tzvppd.g94
 %%DATADIR%%/%%VER%%/basis/mini.g94
 %%DATADIR%%/%%VER%%/basis/sto-3g.g94
 %%DATADIR%%/%%VER%%/basis/sto-6g.g94