diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..322cd20
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.1.0] - 2020-02-25
+
+### Added
+
+- first version
+- tests
+- a changelog :D
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c901ad3
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# CHACHACHA
+
+Chachacha changes changelogs.
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a271862
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+click==7.0
+jinja2==2.11.1
+keepachangelog==0.2.0
+markupsafe==1.1.1
+semver==2.9.1
diff --git a/scripts/lint b/scripts/lint
index d940d94..8c36e32 100755
--- a/scripts/lint
+++ b/scripts/lint
@@ -7,7 +7,7 @@ fi
 
 set -x
 
-${PREFIX}autoflake --in-place --recursive chachacha tests 
-${PREFIX}black chachacha tests 
-${PREFIX}isort --multi-line=3 --trailing-comma --force-grid-wrap=0 --combine-as --line-width 88 --recursive --apply chachacha tests 
+${PREFIX}autoflake --in-place --recursive chachacha tests setup.py
+${PREFIX}black chachacha tests setup.py
+${PREFIX}isort --multi-line=3 --trailing-comma --force-grid-wrap=0 --combine-as --line-width 88 --recursive --apply chachacha tests setup.py
 #${PREFIX}mypy chachacha --ignore-missing-imports --disallow-untyped-defs
diff --git a/scripts/test b/scripts/test
index e1c4506..9e91b78 100755
--- a/scripts/test
+++ b/scripts/test
@@ -12,5 +12,5 @@ set -x
 
 PYTHONPATH=. ${PREFIX}pytest --ignore venv -W ignore::DeprecationWarning --cov=chachacha --cov=tests --cov-fail-under=100 --cov-report=term-missing ${@}
 #${PREFIX}mypy chachacha --ignore-missing-imports --disallow-untyped-defs
-${PREFIX}autoflake --recursive chachacha tests 
-${PREFIX}black chachacha tests  --check
+${PREFIX}autoflake --recursive chachacha tests setup.py
+${PREFIX}black chachacha tests setup.py --check
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..5316212
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,58 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import os
+
+import poetry_version
+from setuptools import setup
+
+with open("requirements.txt") as f:
+    REQUIRES = f.readlines()
+
+
+def get_long_description():
+    """
+    Return the README.
+    """
+    with open("README.md", encoding="utf8") as f:
+        return f.read()
+
+
+def get_packages(package):
+    """
+    Return root package and all sub-packages.
+    """
+    return [
+        dirpath
+        for dirpath, dirnames, filenames in os.walk(package)
+        if os.path.exists(os.path.join(dirpath, "__init__.py"))
+    ]
+
+
+setup(
+    name="chachacha",
+    python_requires=">=3.6",
+    version=poetry_version.extract(source_file=__file__),
+    url="https://github.com/aogier/chachacha",
+    license="BSD",
+    description="Chachacha changes changelogs.",
+    long_description=get_long_description(),
+    long_description_content_type="text/markdown",
+    author="Alessandro Ogier",
+    author_email="alessandro.ogier@gmail.com",
+    packages=get_packages("chachacha"),
+    install_requires=REQUIRES,
+    classifiers=[
+        "Development Status :: 3 - Alpha",
+        "Environment :: Web Environment",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: BSD License",
+        "Operating System :: OS Independent",
+        "Topic :: Internet :: WWW/HTTP",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+    ],
+    entry_points={"console_scripts": ["chachacha=chachacha.main:main",]},
+    zip_safe=False,
+)