diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b28241b..d44efeed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 2023-01-10 version 5.0.0 for C++
+ * Fix config for new MSVC preprocessor (#1040)
+## << breaking changes >>
+ * Change CMake package name of C++ library to msgpackc-cxx (#1045)
+
 # 2022-11-02 version 4.1.3 for C++
   * Fix compile error that direct inclusion of chrono with `MSGPACK_NO_BOOST` (#1038))
 
diff --git a/README.md b/README.md
index 8db12fd6..5f50e886 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 `msgpack` for C++
 ===================
 
-Version 4.1.3 [![Build Status](https://github.com/msgpack/msgpack-c/workflows/CI/badge.svg?branch=cpp_master)](https://github.com/msgpack/msgpack-c/actions) [![Build status](https://ci.appveyor.com/api/projects/status/8kstcgt79qj123mw/branch/cpp_master?svg=true)](https://ci.appveyor.com/project/redboltz/msgpack-c/branch/cpp_master)
+Version 5.0.0 [![Build Status](https://github.com/msgpack/msgpack-c/workflows/CI/badge.svg?branch=cpp_master)](https://github.com/msgpack/msgpack-c/actions) [![Build status](https://ci.appveyor.com/api/projects/status/8kstcgt79qj123mw/branch/cpp_master?svg=true)](https://ci.appveyor.com/project/redboltz/msgpack-c/branch/cpp_master)
 [![codecov](https://codecov.io/gh/msgpack/msgpack-c/branch/cpp_master/graph/badge.svg)](https://codecov.io/gh/msgpack/msgpack-c/branch/cpp_master)
 
 It's like JSON but smaller and faster.
diff --git a/appveyor.yml b/appveyor.yml
index e780ee9b..5168b441 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 4.1.3.{build}
+version: 5.0.0.{build}
 
 branches:
   only:
diff --git a/include/msgpack/version_master.hpp b/include/msgpack/version_master.hpp
index c55ba86c..5f40c467 100644
--- a/include/msgpack/version_master.hpp
+++ b/include/msgpack/version_master.hpp
@@ -1,3 +1,3 @@
-#define MSGPACK_VERSION_MAJOR    4
-#define MSGPACK_VERSION_MINOR    1
-#define MSGPACK_VERSION_REVISION 3
+#define MSGPACK_VERSION_MAJOR    5
+#define MSGPACK_VERSION_MINOR    0
+#define MSGPACK_VERSION_REVISION 0