diff --git a/ChangeLog.rst b/ChangeLog.rst
index 53547996..bf345ddb 100644
--- a/ChangeLog.rst
+++ b/ChangeLog.rst
@@ -1,3 +1,12 @@
+1.0.6rc1
+========
+
+Release Date: 2023-09-13
+
+* Add Python 3.12 wheels (#517)
+* Remove Python 2.7, 3.6, and 3.7 support
+
+
 1.0.5
 =====
 
diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index 9a96c982..2e201330 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -4,8 +4,8 @@
 import os
 
 
-version = (1, 0, 5)
-__version__ = "1.0.6dev1"
+version = (1, 0, 6, "rc", 1)
+__version__ = "1.0.6rc1"
 
 
 if os.environ.get("MSGPACK_PUREPYTHON"):
diff --git a/pyproject.toml b/pyproject.toml
index f37d213c..a63009a7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,12 +14,12 @@ license = {text="Apache 2.0"}
 authors = [{name="Inada Naoki", email="songofacandy@gmail.com"}]
 description = "MessagePack serializer"
 readme = "README.md"
-#keywords = ["python", "msgpack", "messagepack", "serializer", "serialization", "binary"]
-#requires-python = ">=3.8"
+keywords = ["msgpack", "messagepack", "serializer", "serialization", "binary"]
+requires-python = ">=3.8"
 classifiers = [
-#    "Development Status :: 5 - Production/Stable",
-#    "Operating System :: OS Independent",
-#    "Programming Language :: Python",
+    "Development Status :: 5 - Production/Stable",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
@@ -37,7 +37,7 @@ Homepage = "https://msgpack.org/"
 Documentation = "https://msgpack-python.readthedocs.io/"
 Repository = "https://github.com/msgpack/msgpack-python/"
 Tracker = "https://github.com/msgpack/msgpack-python/issues"
-#Changelog = "https://github.com/msgpack/msgpack-python/blob/main/ChangeLog.rst"
+Changelog = "https://github.com/msgpack/msgpack-python/blob/main/ChangeLog.rst"
 
 [tool.setuptools.dynamic]
 version = {attr = "msgpack.__version__"}