diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index c3ce0cd..2ddee4a 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -16,4 +16,4 @@ jobs:
     - uses: actions/setup-python@v2
       with:
         python-version: 3.9
-    - uses: psf/black@stable
+    - uses: psf/black@20.8b1
diff --git a/.gitignore b/.gitignore
index 8617e91..719eff8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
 __pycache__
 .coverage
 Pipfile.lock
+/build
+/dist
+/kosmorrolib.egg-info
diff --git a/Makefile b/Makefile
index dfc4112..8e34741 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 black:
-	pipenv run black kosmorrolib tests
+	pipenv run black kosmorrolib tests setup.py
 
-.PHONY: test
+.PHONY: tests
 tests: legacy-tests doctests
 
 doctests:
@@ -24,25 +24,12 @@ env:
 		exit 1; \
 	fi
 
-release: env
-	@echo -e "\e[1mCreating release with version number \e[36m$$RELEASE_NUMBER\e[0m"
-	@echo
-
-	sed "s/^VERSION =.*/VERSION = '$$RELEASE_NUMBER'/g" kosmorrolib/version.py > version.py
-	mv version.py kosmorrolib/version.py
-
-	pipenv run python setup.py extract_messages --output-file=kosmorrolib/locales/messages.pot > /dev/null
-
+changelog:
 	conventional-changelog -p angular -i CHANGELOG.md -s
-	sed "0,/\\[\\]/s/\\[\\]/[v$$RELEASE_NUMBER]/g" CHANGELOG.md > /tmp/CHANGELOG.md
-	sed -e "s/...v)/...v$$RELEASE_NUMBER)/" /tmp/CHANGELOG.md > CHANGELOG.md
-	rm /tmp/CHANGELOG.md
-
-	@echo
-	@echo -e "\e[1mRelease \e[36m$$RELEASE_NUMBER\e[39m is ready to commit."
-	@echo -e "Please review the changes, then invoke \e[33mmake finish-release\e[39m."
+	@echo -e "\e[32m✔\e[33m Changelog generated. Don't forget to update the version number before committing.\e[0m"
+	@echo -e "  When everything is good, finish the release with 'make tag'."
 
-finish-release: env
+tag: env
 	git add CHANGELOG.md kosmorrolib/version.py kosmorrolib/locales/messages.pot
 	git commit -m "build: bump version $$RELEASE_NUMBER"
 	git tag "v$$RELEASE_NUMBER"
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..d152cc7
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+
+import pathlib
+from setuptools import setup, find_packages
+
+from kosmorrolib.__version__ import __version__
+
+HERE = pathlib.Path(__file__).parent
+README = (HERE / "README.md").read_text()
+
+setup(
+    name="kosmorrolib",
+    version=__version__,
+    author="Jérôme Deuchnord",
+    author_email="jerome@deuchnord.fr",
+    url="http://kosmorro.space",
+    license="CECILL-C",
+    description="A library to computes the ephemerides.",
+    long_description=README,
+    long_description_content_type="text/markdown",
+    keywords=["kosmorro", "astronomy", "ephemerides", "ephemeris"],
+    packages=["kosmorrolib"],
+    install_requires=[
+        "skyfield>=1.21.0,<2.0.0",
+        "numpy>=1.17.0,<2.0.0",
+        "python-dateutil",
+    ],
+    classifiers=[
+        "Development Status :: 4 - Beta",
+        "Intended Audience :: Developers",
+        "Intended Audience :: Education",
+        "License :: CeCILL-C Free Software License Agreement (CECILL-C)",
+        "Topic :: Software Development :: Libraries :: Python Modules",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Topic :: Scientific/Engineering :: Astronomy",
+    ],
+    python_requires=">=3.7",
+)
diff --git a/tests.py b/tests.py
index e496484..6a4f5b4 100644
--- a/tests.py
+++ b/tests.py
@@ -16,3 +16,5 @@ if __name__ == "__main__":
 
     if failures == 0:
         print("✔ All %d tests successfully passed." % tests)
+    else:
+        exit(1)