diff -ruN /usr/ports/www/osrm-backend/Makefile www/osrm-backend/Makefile
--- /usr/ports/www/osrm-backend/Makefile	2020-08-17 22:01:15.000000000 +0200
+++ www/osrm-backend/Makefile	2020-10-26 23:07:05.138040000 +0100
@@ -2,21 +2,15 @@
 
 PORTNAME=	osrm-backend
 DISTVERSIONPREFIX=	v
-DISTVERSION=	5.22.0
-PORTREVISION=	9
+DISTVERSION=	5.23.0
 CATEGORIES=	www
 
-PATCH_SITES=	https://github.com/Project-OSRM/osrm-backend/commit/
-PATCHFILES=	38700e207e076a391f30ef66ad90d03e7543006e.patch:-p1 \
-		018a9bc80449d85c0e40fa5215377d8a03264c88.patch:-p1
-
 MAINTAINER=	freebsd@mosedal.net
 COMMENT=	Open Source Routing Machine (Backend)
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.TXT
 
-BUILD_DEPENDS=	${LOCALBASE}/lib/libstxxl.a:devel/stxxl
 LIB_DEPENDS=	libboost_chrono.so:devel/boost-libs \
 		libboost_date_time.so:devel/boost-libs \
 		libboost_filesystem.so:devel/boost-libs \
diff -ruN /usr/ports/www/osrm-backend/distinfo www/osrm-backend/distinfo
--- /usr/ports/www/osrm-backend/distinfo	2020-08-17 22:01:15.000000000 +0200
+++ www/osrm-backend/distinfo	2020-10-26 03:49:39.046817000 +0100
@@ -1,6 +1,6 @@
-TIMESTAMP = 1597690747
-SHA256 (Project-OSRM-osrm-backend-v5.22.0_GH0.tar.gz) = df0987a04bcf65d74f9c4e18f34a01982bf3bb97aa47f9d86cfb8b35f17a6a55
-SIZE (Project-OSRM-osrm-backend-v5.22.0_GH0.tar.gz) = 6492998
+TIMESTAMP = 1603522319
+SHA256 (Project-OSRM-osrm-backend-v5.23.0_GH0.tar.gz) = 8527ce7d799123a9e9e99551936821cc0025baae6f2120dbf2fbc6332c709915
+SIZE (Project-OSRM-osrm-backend-v5.23.0_GH0.tar.gz) = 9155384
 SHA256 (38700e207e076a391f30ef66ad90d03e7543006e.patch) = 2c353e7e942df92091cf138f9c47135a74dc6f70bcad6897b118b312ca226ad6
 SIZE (38700e207e076a391f30ef66ad90d03e7543006e.patch) = 2165
 SHA256 (018a9bc80449d85c0e40fa5215377d8a03264c88.patch) = 7ad04466e0ac4a5dcafc5bb38a1ac20039339c73f0e32475c25d4614b353ec61
diff -ruN /usr/ports/www/osrm-backend/files/patch-src_util_timezones.cpp www/osrm-backend/files/patch-src_util_timezones.cpp
--- /usr/ports/www/osrm-backend/files/patch-src_util_timezones.cpp	1970-01-01 01:00:00.000000000 +0100
+++ www/osrm-backend/files/patch-src_util_timezones.cpp	2020-11-03 06:41:04.663623000 +0100
@@ -0,0 +1,11 @@
+--- src/util/timezones.cpp.orig	2020-11-03 05:31:40 UTC
++++ src/util/timezones.cpp
+@@ -154,7 +154,7 @@ boost::optional<struct tm> Timezoner::op
+ {
+     std::vector<rtree_t::value_type> result;
+     rtree.query(boost::geometry::index::intersects(point), std::back_inserter(result));
+-    for (const auto v : result)
++    for (const auto& v : result)
+     {
+         const auto index = v.second;
+         if (boost::geometry::within(point, local_times[index].first))
diff -ruN /usr/ports/www/osrm-backend/pkg-plist www/osrm-backend/pkg-plist
--- /usr/ports/www/osrm-backend/pkg-plist	2019-02-02 19:29:45.000000000 +0100
+++ www/osrm-backend/pkg-plist	2020-10-26 23:06:45.938773000 +0100
@@ -5,6 +5,20 @@
 bin/osrm-extract
 bin/osrm-partition
 bin/osrm-routed
+include/flatbuffers/base.h
+include/flatbuffers/code_generators.h
+include/flatbuffers/flatbuffers.h
+include/flatbuffers/flatc.h
+include/flatbuffers/flexbuffers.h
+include/flatbuffers/grpc.h
+include/flatbuffers/hash.h
+include/flatbuffers/idl.h
+include/flatbuffers/minireflect.h
+include/flatbuffers/reflection.h
+include/flatbuffers/reflection_generated.h
+include/flatbuffers/registry.h
+include/flatbuffers/stl_emulation.h
+include/flatbuffers/util.h
 include/mapbox/optional.hpp
 include/mapbox/recursive_wrapper.hpp
 include/mapbox/variant.hpp
@@ -20,6 +34,7 @@
 include/osrm/customizer.hpp
 include/osrm/customizer_config.hpp
 include/osrm/engine/api/base_parameters.hpp
+include/osrm/engine/api/base_result.hpp
 include/osrm/engine/api/match_parameters.hpp
 include/osrm/engine/api/nearest_parameters.hpp
 include/osrm/engine/api/route_parameters.hpp
@@ -69,6 +84,7 @@
 %%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_contract.a
 %%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_customize.a
 %%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_extract.a
+%%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_guidance.a
 %%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_partition.a
 %%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_store.a
 %%LUA_LIBDIR%%/%%LUA_LIBDIR%%osrm_update.a