diff --git a/cherry_picker/MANIFEST.in b/cherry_picker/MANIFEST.in
deleted file mode 100644
index 65b3848..0000000
--- a/cherry_picker/MANIFEST.in
+++ /dev/null
@@ -1,3 +0,0 @@
-# Include the readme and requirements files
-include readme.rst
-include requirements.txt
diff --git a/cherry_picker/cherry_picker/__init__.py b/cherry_picker/cherry_picker/__init__.py
index e69de29..e535776 100644
--- a/cherry_picker/cherry_picker/__init__.py
+++ b/cherry_picker/cherry_picker/__init__.py
@@ -0,0 +1,2 @@
+"""Backport CPython changes from master to maintenance branches."""
+__version__ = '0.0.3.dev1'
diff --git a/cherry_picker/flit.ini b/cherry_picker/flit.ini
new file mode 100644
index 0000000..8049d2a
--- /dev/null
+++ b/cherry_picker/flit.ini
@@ -0,0 +1,15 @@
+[metadata]
+module = cherry_picker
+author = Mariatta Wijaya
+author-email = mariatta.wijaya@gmail.com
+home-page = https://github.com/python/core-workflow/tree/master/cherry_picker
+requires = click~=6.7
+dev-requires = pytest~=3.0.7
+description-file = readme.rst
+classifiers = Programming Language :: Python :: 3.6
+        Intended Audience :: Developers
+        License :: OSI Approved :: Apache Software License
+requires-python = >=3.6
+
+[scripts]
+cherry_picker = cherry_picker.cherry_picker:cherry_pick_cli
diff --git a/cherry_picker/setup.cfg b/cherry_picker/setup.cfg
deleted file mode 100644
index e69de29..0000000
diff --git a/cherry_picker/setup.py b/cherry_picker/setup.py
deleted file mode 100755
index 88e45c2..0000000
--- a/cherry_picker/setup.py
+++ /dev/null
@@ -1,36 +0,0 @@
-from setuptools import setup
-
-
-with open('readme.rst') as f:
-    long_description = f.read()
-
-
-with open('requirements.txt') as f:
-    requirements = [l.strip() for l in f.read().split('\n')]
-
-
-setup(
-    name='cherry_picker',
-    description='Backport CPython changes from master to maintenance branches',
-    long_description=long_description,
-    license='Apache',
-    url='https://github.com/python/core-workflow',
-    author='Mariatta Wijaya',
-    author_email='mariatta.wijaya@gmail.com',
-    maintainer='Python Core Developers',
-    maintainer_email='core-workflow@mail.python.org',
-    version='0.0.2.post2',
-    packages=[
-        'cherry_picker',
-    ],
-    entry_points={
-        'console_scripts': [
-            'cherry_picker = cherry_picker.cherry_picker:cherry_pick_cli',
-        ],
-    },
-    classifiers=[
-        'Programming Language :: Python :: 3.6',
-        'Intended Audience :: Developers',
-    ],
-    install_requires=requirements,
-)