diff --git a/CHANGELOG.md b/CHANGELOG.md
deleted file mode 100644
index 1fd2a04..0000000
--- a/CHANGELOG.md
+++ /dev/null
@@ -1,80 +0,0 @@
-# CHANGELOG
-
-
-## v3.0.0 (2024-12-08)
-
-### Build System
-
-- Drop support python 3.8
-  ([`f0ddfde`](https://github.com/hiroki0525/autoload_module/commit/f0ddfdeaf1d2e2d79b3b3886bbd12d7b4464a6f5))
-
-BREAKING CHANGE: drop support python 3.8
-
-### Features
-
-- Add support Python 3.12
-  ([`a0c8b4a`](https://github.com/hiroki0525/autoload_module/commit/a0c8b4abdbd834eb68412bda45794bfa90011dd7))
-
-- Add support Python 3.13
-  ([`4efdcd8`](https://github.com/hiroki0525/autoload_module/commit/4efdcd8d7c1c3628e171c7f38664888b17b65cf7))
-
-- Simplify library interface
-  ([`0980c75`](https://github.com/hiroki0525/autoload_module/commit/0980c75ab35f0418aeb1d7c858377eb4dfc9e0b9))
-
-BREAKING CHANGE: simplify library interface. See new README.md
-
-### Performance Improvements
-
-- Remove raise error because of typing hints
-  ([`abbeb2b`](https://github.com/hiroki0525/autoload_module/commit/abbeb2b275ac86f0b83b83932a904b4db8d59c0a))
-
-### BREAKING CHANGES
-
-- Drop support python 3.8
-
-- Simplify library interface. See new README.md
-
-
-## v2.0.0 (2023-06-16)
-
-
-## v1.7.2 (2021-07-07)
-
-
-## v1.7.1 (2021-06-12)
-
-
-## v1.7.0 (2021-06-10)
-
-
-## v1.6.0 (2021-06-06)
-
-
-## v1.5.0 (2021-05-30)
-
-
-## v1.4.0 (2021-05-27)
-
-
-## v1.3.3 (2021-05-23)
-
-
-## v1.3.2 (2021-05-21)
-
-
-## v1.3.1 (2021-05-15)
-
-
-## v1.3.0 (2021-05-11)
-
-
-## v1.2.0 (2021-01-19)
-
-
-## v1.1.1 (2020-12-07)
-
-
-## v1.1.0 (2020-11-03)
-
-
-## v1.0.1 (2020-08-25)
diff --git a/autoload/__init__.py b/autoload/__init__.py
index 4e04b9c..23bbaa7 100644
--- a/autoload/__init__.py
+++ b/autoload/__init__.py
@@ -1,7 +1,7 @@
 from ._decorators import loadable
 from ._loaders import autoload
 
-__version__ = "3.0.0"
+__version__ = "2.0.0"
 
 __all__ = (
     "autoload",
diff --git a/pyproject.toml b/pyproject.toml
index fe7ba20..639f361 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "autoload-module"
-version = "3.0.0"
+version = "2.0.0"
 description = "Python Autoload Module"
 authors = ["Hiroki Miyaji <nukoprogramming@gmail.com>"]
 license = "MIT"