diff --git a/0001-Build-with-C-17.patch b/0001-Build-with-C-17.patch
deleted file mode 100644
index 8db7984..0000000
--- a/0001-Build-with-C-17.patch
+++ /dev/null
@@ -1,29 +0,0 @@
-From 027de3b5d44f6291bd4785ec7530661ac98cbf53 Mon Sep 17 00:00:00 2001
-From: Fabian Vogt <fvogt@suse.de>
-Date: Wed, 14 Jun 2023 09:06:02 +0200
-Subject: [PATCH] Build with C++17
-
-Recent abseil requires C++14 and TW builds it with C++17, so just use 17
-directly.
----
- cpp/CMakeLists.txt | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
-index cdd7a08..bc331aa 100644
---- a/cpp/CMakeLists.txt
-+++ b/cpp/CMakeLists.txt
-@@ -19,8 +19,8 @@ cmake_minimum_required (VERSION 3.11)
- project (libphonenumber VERSION 8.13.0)
- 
- # Pick the C++ standard to compile with.
--# Abseil currently supports C++11, C++14, and C++17.
--set(CMAKE_CXX_STANDARD 11 CACHE STRING "C++ standard used to compile this project")
-+# Abseil currently supports C++14, and C++17.
-+set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard used to compile this project")
- set(CMAKE_CXX_STANDARD_REQUIRED ON)
- set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
- 
--- 
-2.41.0
-
diff --git a/_service b/_service
index fd2cb20..d21fd32 100644
--- a/_service
+++ b/_service
@@ -2,7 +2,7 @@
   <service name="obs_scm" mode="disabled">
     <param name="url">https://github.com/google/libphonenumber.git</param>
     <param name="scm">git</param>
-    <param name="revision">v8.13.15</param>
+    <param name="revision">v8.13.23</param>
     <param name="versionformat">@PARENT_TAG@</param>
     <param name="versionrewrite-pattern">v(.*)</param>
     <!-- Contains binary .jars with legally questionable content -->
diff --git a/libphonenumber-8.13.15.obscpio b/libphonenumber-8.13.15.obscpio
deleted file mode 100644
index a3ca304..0000000
--- a/libphonenumber-8.13.15.obscpio
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c8b06009e54ff4d6cd9ae892f278c11817b6d426ea54fe69f7a23252a2b020ca
-size 90171406
diff --git a/libphonenumber-8.13.23.obscpio b/libphonenumber-8.13.23.obscpio
new file mode 100644
index 0000000..f40be75
--- /dev/null
+++ b/libphonenumber-8.13.23.obscpio
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a824f88ff261794259034da77669fd08fb91d1650811e13fe671afa8f304830c
+size 88558606
diff --git a/libphonenumber-8.13.23.tar.xz b/libphonenumber-8.13.23.tar.xz
new file mode 100644
index 0000000..8d06202
--- /dev/null
+++ b/libphonenumber-8.13.23.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb35a2aca1cc9a60e3c5a89552dbc601b197c63a9ed2888015e2d48359885d39
+size 7629496
diff --git a/libphonenumber.changes b/libphonenumber.changes
index dff5723..13db013 100644
--- a/libphonenumber.changes
+++ b/libphonenumber.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sun Oct 22 13:41:15 UTC 2023 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- Update to version 8.13.28:
+  * Updated phone metadata, carrier data, geocoding data, short
+    number metadata for a number of region and calling codes
+- drop 0001-Build-with-C-17.patch now upstream
+
 -------------------------------------------------------------------
 Mon Jun 26 09:00:14 UTC 2023 - Fabian Vogt <fvogt@suse.com>
 
diff --git a/libphonenumber.obsinfo b/libphonenumber.obsinfo
index 2d60fc9..588843e 100644
--- a/libphonenumber.obsinfo
+++ b/libphonenumber.obsinfo
@@ -1,4 +1,4 @@
 name: libphonenumber
-version: 8.13.15
-mtime: 1687328489
-commit: d3e97dd640066087e534ea1a1a41137c797b040e
+version: 8.13.23
+mtime: 1697005952
+commit: 052011a699cb9492bfc03f4f52620f4ea1b17acf
diff --git a/libphonenumber.spec b/libphonenumber.spec
index 1e76114..7a2a25a 100644
--- a/libphonenumber.spec
+++ b/libphonenumber.spec
@@ -16,25 +16,24 @@
 #
 
 
-Name:           libphonenumber
-Version:        8.13.15
-Release:        0
 %define lib_ver 8
 %define lib_ver2 8.13
+Name:           libphonenumber
+Version:        8.13.23
+Release:        0
 Summary:        Library for parsing, formatting, and validating international phone numbers
 License:        Apache-2.0
 Group:          Development/Libraries/C and C++
 URL:            https://github.com/google/libphonenumber
 Source:         %{name}-%{version}.tar.xz
-# PATCH-FIX-DOWNSTREAM (for using system abseil)
-Patch1:         0001-Build-with-C-17.patch
 # PATCH-FIX-DOWNSTREAM (see https://github.com/google/libphonenumber/pull/2874)
 Patch2:         0001-Revert-Fix-typo-in-arguments-to-add_metadata_gen_tar.patch
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
-BuildRequires:  libboost_date_time-devel
-BuildRequires:  libboost_system-devel
-BuildRequires:  libboost_thread-devel
+BuildRequires:  libboost_date_time-devel >= 1.40.0
+BuildRequires:  libboost_system-devel >= 1.40.0
+BuildRequires:  libboost_thread-devel >= 1.40.0
+BuildRequires:  pkgconfig
 # Actual version requirement unknown
 BuildRequires:  cmake(absl)
 BuildRequires:  pkgconfig(gtest)
@@ -69,7 +68,6 @@ and validating international phone numbers. The Java version is optimized
 for running on smartphones, and is used by the Android framework since 4.0
 (Ice Cream Sandwich).
 
-
 This package provides libraries and header files for developing applications
 that use libphonenumber.