diff --git a/science/libcifpp/Makefile b/science/libcifpp/Makefile
index 60d38f6f6d02..3fc0b12890e2 100644
--- a/science/libcifpp/Makefile
+++ b/science/libcifpp/Makefile
@@ -1,38 +1,39 @@
 PORTNAME=	libcifpp
 DISTVERSIONPREFIX=	v
-DISTVERSION=	5.0.3
+DISTVERSION=	5.0.3-1
+DISTVERSIONSUFFIX=	-gdffbf52
 CATEGORIES=	science
 MASTER_SITES=	ftp://ftp.wwpdb.org/pub/pdb/data/monomers/:components
 DISTFILES=	components.cif.gz:components
 DIST_SUBDIR=	${PORTNAME}-${PORTVERSION}
 EXTRACT_ONLY=	${GH_ACCOUNT}-${GH_PROJECT}-${DISTVERSIONFULL}_GH0${EXTRACT_SUFX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library to manipulate mmCIF and PDB files
 WWW=		https://github.com/PDB-REDO/libcifpp
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_i386=	compilation fails: static_assert failed due to requirement 'sizeof(cif::item_value) == 16', see https://github.com/PDB-REDO/libcifpp/issues/25
 
 LIB_DEPENDS=	libboost_iostreams.so:devel/boost-libs
 RUN_DEPENDS=	bash:shells/bash
 
-USES=		cmake:testing compiler:c++17-lang shebangfix
+USES=		cmake:testing compiler:c++20-lang shebangfix
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	PDB-REDO
 
 SHEBANG_FILES=	tools/update-libcifpp-data.in
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_ARGS=	-DDISTDIR_FULL=${DISTDIR}/${DIST_SUBDIR}
 CMAKE_TESTING_ON=	ENABLE_TESTING
 
 post-install:
 	@cd ${STAGEDIR}${PREFIX} && \
 		${RM} -r var etc/libcifpp etc/periodic
 
 .include <bsd.port.mk>
diff --git a/science/libcifpp/distinfo b/science/libcifpp/distinfo
index 46fe6b941fc3..51c4d404078c 100644
--- a/science/libcifpp/distinfo
+++ b/science/libcifpp/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1668337095
-SHA256 (libcifpp-5.0.3/components.cif.gz) = 941b2cac1137a95fcf7bb5237fc2dd0d86628e003bc484d38aa27cea2b33f551
-SIZE (libcifpp-5.0.3/components.cif.gz) = 88204196
-SHA256 (libcifpp-5.0.3/PDB-REDO-libcifpp-v5.0.3_GH0.tar.gz) = 600af7c29fe25d60c0dd9ae06191c5db2b587dedecde983ee3472e5d9eee1c0c
-SIZE (libcifpp-5.0.3/PDB-REDO-libcifpp-v5.0.3_GH0.tar.gz) = 1869491
+TIMESTAMP = 1668930323
+SHA256 (libcifpp-5.0.3.1/components.cif.gz) = a799727c161086886846e8bb36b91b5d05989969a5299b71da0febf6edf338ab
+SIZE (libcifpp-5.0.3.1/components.cif.gz) = 88345745
+SHA256 (libcifpp-5.0.3.1/PDB-REDO-libcifpp-v5.0.3-1-gdffbf52_GH0.tar.gz) = f7283e3364f073e48098944749d1021f99da12538b43ad47af330d882f501bff
+SIZE (libcifpp-5.0.3.1/PDB-REDO-libcifpp-v5.0.3-1-gdffbf52_GH0.tar.gz) = 1868095
diff --git a/science/libcifpp/pkg-plist b/science/libcifpp/pkg-plist
index e7a050083ee0..9850c6681a72 100644
--- a/science/libcifpp/pkg-plist
+++ b/science/libcifpp/pkg-plist
@@ -1,40 +1,40 @@
 etc/libcifpp.conf
 include/cif++.hpp
 include/cif++/atom_type.hpp
 include/cif++/category.hpp
 include/cif++/compound.hpp
 include/cif++/condition.hpp
 include/cif++/datablock.hpp
 include/cif++/dictionary_parser.hpp
 include/cif++/file.hpp
 include/cif++/format.hpp
 include/cif++/forward_decl.hpp
 include/cif++/gzio.hpp
 include/cif++/item.hpp
 include/cif++/iterator.hpp
 include/cif++/list.hpp
 include/cif++/model.hpp
 include/cif++/parser.hpp
 include/cif++/pdb/cif2pdb.hpp
 include/cif++/pdb/io.hpp
 include/cif++/pdb/pdb2cif.hpp
 include/cif++/pdb/pdb2cif_remark_3.hpp
 include/cif++/pdb/tls.hpp
 include/cif++/point.hpp
 include/cif++/row.hpp
 include/cif++/symmetry.hpp
 include/cif++/text.hpp
 include/cif++/utilities.hpp
 include/cif++/validate.hpp
 lib/cmake/cifpp/cifppConfig.cmake
 lib/cmake/cifpp/cifppConfigVersion.cmake
 lib/cmake/cifpp/cifppTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/cifpp/cifppTargets.cmake
 lib/libcifpp.so
 lib/libcifpp.so.5
-lib/libcifpp.so.5.0.3
+lib/libcifpp.so.5.0.5
 libdata/pkgconfig/libcifpp.pc
 %%DATADIR%%/components.cif
 %%DATADIR%%/mmcif_ddl.dic
 %%DATADIR%%/mmcif_ma.dic
 %%DATADIR%%/mmcif_pdbx.dic