diff --git a/.readthedocs.yml b/.readthedocs.yml
index 7416a33..851d327 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,22 +1,22 @@
 
 version: 2
+sphinx:
+    configuration: doc/source/conf.py
+    builder: html
 
+# Set the version of Python and other tools you might need
 build:
-  image: latest
+  os: ubuntu-22.04
+  tools:
+      python: "3.10"
 
-formats:
-    - htmlzip
 
+formats: []
 python:
-    version: 3.7
+    # install doc/requirements at the end to make sure pillow 9.5.0 is used
+    # also needs sphinx <7
     install:
-      - requirements: doc/requirements.txt
-      - method: pip
-        path: .
-
-
-sphinx:
-    builder: html
-    configuration: doc/source/conf.py
-    fail_on_warning: false
+        - method: pip
+          path: .
+        - requirements: doc/requirements.txt
 
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 480f23e..6afa96d 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,4 +1,5 @@
 sphinx<7
 sphinx_rtd_theme
-sequana_sphinxext
-pillow<=9.5.0
+pillow<=10.3.0
+sphinx_gallery
+sphinx_copybutton
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 8cc19c9..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,17 +0,0 @@
-
-[upload_docs]
-upload_dir=doc/build/html/
-[sdist]
-#formats=gztar,zip
-
-
-[build_sphinx]
-source_dir = doc/source
-build_dir  = doc/build
-all_files  = 1
-
-
-[tool:pytest]
-# do not use --cov because it interfers with travis command
-addopts= --durations=10 --verbose  -n 1 --cov colormap --cov-report term-missing
-
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 662891e..0000000
--- a/setup.py
+++ /dev/null
@@ -1,68 +0,0 @@
-# -*- coding: utf-8 -*-
-__revision__ = "$Id: setup.py 3170 2013-01-16 14:57:19Z cokelaer $"
-import sys
-import os
-from setuptools import setup, find_packages
-import glob
-
-_MAJOR               = 1
-_MINOR               = 0
-_MICRO               = 6
-version              = '%d.%d.%d' % (_MAJOR, _MINOR, _MICRO)
-release              = '%d.%d' % (_MAJOR, _MINOR)
-
-metainfo = {
-    'authors': {'Cokelaer':('Thomas Cokelaer','cokelaer@ebi.ac.uk')},
-    'version': version,
-    'license' : 'LGPL',
-    'download_url' : 'http://pypi.python.org/pypi/colormap',
-    'url' :  "http://github.com/cokelaer/colormap",
-    'description':'Utilities to ease manipulation of matplotlib colormaps and color codecs (e.g., hex2rgb)',
-    'platforms' : ['Linux', 'Unix', 'MacOsX', 'Windows'],
-    'keywords' : ["hex2web", "web2hex", "hex2rgb", "rgb2hex", "rgb2hsv", "hsv2rgb", 
-        "rgb2hls", "hls2rgb", "colormap", 'colors'],
-    'classifiers' : [
-          'Development Status :: 5 - Production/Stable',
-          'Intended Audience :: Developers',
-          'Intended Audience :: Science/Research',
-          'License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)',
-          'Operating System :: OS Independent',
-          'Programming Language :: Python :: 3.8',
-          'Programming Language :: Python :: 3.9',
-          'Programming Language :: Python :: 3.10',
-          'Programming Language :: Python :: 3.11',
-          'Programming Language :: Python :: 3.12',
-          'Topic :: Software Development :: Libraries :: Python Modules'
-          ]
-    }
-
-
-on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
-with open("requirements.txt", "r") as fin:
-    install_requires = fin.read().split()
-
-if on_rtd is True:  # only import and set the theme if we're building docs
-    install_requires += ["numpydoc"]
-
-
-setup(
-    name             = 'colormap',
-    version          = version,
-    maintainer       = metainfo['authors']['Cokelaer'][0],
-    maintainer_email = metainfo['authors']['Cokelaer'][1],
-    author           = metainfo['authors']['Cokelaer'][0],
-    author_email     = metainfo['authors']['Cokelaer'][1],
-    long_description = open("README.rst").read(),
-    keywords         = metainfo['keywords'],
-    description = metainfo['description'],
-    license          = metainfo['license'],
-    platforms        = metainfo['platforms'],
-    url              = metainfo['url'],
-    download_url     = metainfo['download_url'],
-    classifiers      = metainfo['classifiers'],
-
-    # package installation
-    package_dir = {'':'src'},
-    packages = ['colormap'],
-    install_requires = install_requires,
-)