diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68efc57c9..ee7d0d475 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+# 2024-11-02 version 7.0.0
+  * Refine build system (#1133(
+  * Refine CI (#1122)
+  * Refine documents (#1117)
+## << breaking changes >>
+  * Revert double and fload packing behavior (#1144)
+    * If below decimal point is zero (e.g. 2.00),
+      * Before: pack as int format family    `0x02`
+      * After : pack as float format family  `0xcb 0x40 0x00 0x00 0x00 0x00 0x00 0x00 0x00`
+
 # 2024-04-02 version 6.1.1
   * Fix compilation error when std::variant has the same types (#1112)
   * Improve CI (#1090, #1110)
diff --git a/README.md b/README.md
index 31d29e800..f76a265c7 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 `msgpack` for C++
 ===================
 
-Version 6.1.1 [![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 7.0.0 [![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 cf7e44693..3385097ad 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,4 @@
-version: 6.1.1.{build}
+version: 7.0.0.{build}
 
 branches:
   only:
diff --git a/include/msgpack/version_master.hpp b/include/msgpack/version_master.hpp
index e844bcd15..26d2ec3c2 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    1
-#define MSGPACK_VERSION_REVISION 1
+#define MSGPACK_VERSION_MAJOR    7
+#define MSGPACK_VERSION_MINOR    0
+#define MSGPACK_VERSION_REVISION 0