diff --git a/CHANGELOG.md b/CHANGELOG.md
index f539bbe48..73199b017 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,10 @@
-# 2023-07-08 version 6.0.0
+# 2023-07-08 version 6.1.0
   * Remove dependency on boost in chrono.hpp (#1076)
   * Add support for std::variant behavior (#1075)
   * Fix msgpack::type::variant behavior to respect MessagePack format (#1071)
   * Add rebind allocators (#1065)
+
+# 2023-03-02 version 6.0.0
 ## << breaking changes >>
   * Change CMake package name of C++ library to msgpack-cxx (#1054)
     Unified all C++ package, library, cmake, tarball name become msgpack-cxx.
diff --git a/README.md b/README.md
index 9f6a459b6..cf578c540 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 `msgpack` for C++
 ===================
 
-Version 6.0.0 [![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)
+Version 6.1.0 [![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 4218f3a3d..3681b3b33 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 6.0.0.{build}
+version: 6.1.0.{build}
 
 branches:
   only:
diff --git a/include/msgpack/version_master.hpp b/include/msgpack/version_master.hpp
index fdab08894..ad76f7373 100644
--- a/include/msgpack/version_master.hpp
+++ b/include/msgpack/version_master.hpp
@@ -1,3 +1,3 @@
 #define MSGPACK_VERSION_MAJOR    6
-#define MSGPACK_VERSION_MINOR    0
+#define MSGPACK_VERSION_MINOR    1
 #define MSGPACK_VERSION_REVISION 0