diff --git a/CHANGES.rst b/CHANGES.rst
index ca2f54e..f7f83a9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changes
 #######
 
+2.0.0 (*2023-08-11*)
+~~~~~~~~~~~~~~~~~~~~
+
+- Python 3.11 and Sphinx 7.0 support
+
 1.1.0 (*2021-08-03*)
 ~~~~~~~~~~~~~~~~~~~~
 
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 4a39bdb..0000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,2 +0,0 @@
-include VERSION
-include CHANGES
diff --git a/Makefile b/Makefile
deleted file mode 100644
index f9b8e55..0000000
--- a/Makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-PYTHON = python3
-SRCDIR = .
-DISTDIR = ./dist
-BUILDDIR = ./build
-
-all: sdist wheel
-
-clean:
-	rm -rf *.egg-info dist build
-
-sdist:
-	$(PYTHON) -m build $(SRCDIR) -o $(DISTDIR) -sn
-
-wheel:
-	$(PYTHON) -m build $(SRCDIR) -o $(BUILDDIR) -wn
-
-install:
-	pip uninstall -y sphinx-galleria
-	pip install $(DISTDIR)/sphinx_galleria-`cat $(SRCDIR)/VERSION`.tar.gz
-
-.PHONY: clean sdist wheel install
diff --git a/VERSION b/VERSION
deleted file mode 100644
index 9084fa2..0000000
--- a/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-1.1.0
diff --git a/pyproject.toml b/pyproject.toml
index 9bf5c7e..61424cd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,102 @@
 [build-system]
-requires = [
-    "setuptools>=56",
-    "wheel"
+requires = ["flit_core>=3.2"]
+build-backend = "flit_core.buildapi"
+
+[project]
+name = "sphinx_galleria"
+version = "2.0.0"
+requires-python = ">=3.8"
+dependencies = [
+    "Sphinx>=7.0.0",
+    "Pillow"
+]
+license = {text = "EUPL-1.2"}
+authors = [
+    {name = "Nerv Project ASBL", email = "contact@nerv-project.eu"},
+    {name = "kujiu"},
+    {name = "ptitgnu"}
+]
+maintainers = [
+    {name = "Nerv Project ASBL", email = "contact@nerv-project.eu"},
+    {name = "kujiu"},
+    {name = "ptitgnu"}
+]
+description = "Create image galleries with Sphinx"
+readme = {file = "README.rst", content-type = "text/x-rst"}
+keywords=["sphinx", "doc", "theme"]
+classifiers=[
+    "Framework :: Sphinx",
+    "Framework :: Sphinx :: Theme",
+    "Development Status :: 5 - Production/Stable",
+    "License :: OSI Approved :: European Union Public Licence 1.2 (EUPL 1.2)",
+    "Environment :: Console",
+    "Environment :: Web Environment",
+    "Framework :: Sphinx :: Theme",
+    "Intended Audience :: Developers",
+    "Programming Language :: Python :: 3",
+    "Operating System :: OS Independent",
+    "Topic :: Documentation",
+    "Topic :: Software Development :: Documentation",
+]
+
+[project.urls]
+homepage = "https://www.nerv-project.eu"
+repository = "https://procrastinator.nerv-project.eu/nerv-project/sphinx_galleria"
+issues = "https://procrastinator.nerv-project.eu/nerv-project/sphinx_galleria/issues"
+editor = "https://www.nerv-project.eu"
+changelog = "https://procrastinator.nerv-project.eu/nerv-project/sphinx_galleria/raw/branch/main/CHANGES.rst"
+
+[project.optional-dependencies]
+tests = [
+    "pytest",
+    "flake8",
+    "pylint",
+    "pytest-cov"
+]
+setup = [
+    "Sphinx",
+    "pytest-runner",
+    "flake8",
+    "pylint",
+    "babel",
+    "flit",
+]
+
+[project.scripts]
+
+[tool.pytest.ini_options]
+minversion = "6.0"
+addopts = "-ra -q"
+testpaths = [
+    "tests",
+]
+
+[tool.babel.extract_messages]
+mapping_file = "babel.cfg"
+output_file = "locale/sphinx.pot"
+keywords = ["_", "__", "l_", "lazy_gettext", "gettext", "ngettext"]
+add_comments = "Translators:"
+
+[tool.babel.init_catalog]
+domain = "sphinx"
+input_file = "locale/sphinx.pot"
+output_dir = "locale/"
+
+[tool.babel.update_catalog]
+domain = "sphinx"
+input_file = "locale/sphinx.pot"
+output_dir = "locale/"
+
+[tool.babel.compile_catalog]
+domain = "sphinx"
+directory = "locale/"
+
+[tool.flit.sdist]
+include = [
+    "*.py",
+    "static/sphinxgalleria/*.mjs",
+    "static/sphinxgalleria/*.css",
+    "locale/*.pot",
+    "locale/*/LC_MESSAGES/*.po",
+    "locale/*/LC_MESSAGES/*.mo"
 ]
-build-backend = "setuptools.build_meta"
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 5eb448c..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-Sphinx
-Pillow
-setuptools>=56
-build
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index adc53e4..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,78 +0,0 @@
-[metadata]
-long_description = file: README.rst, CHANGES.rst
-long_description_content_type = text/x-rst
-license_files =
-   LICENSE
-   LICENSE-de
-   LICENSE-fr
-   LICENSE-nl
-name = sphinx_galleria
-version = file: VERSION
-url = https://procrastinator.nerv-project.eu/nerv-project/sphinx_galleria
-license = EUPL 1.2
-author = Kujiu
-author_email = kujiu-pypi@kujiu.org
-description = Create image galleries with Sphinx
-platform = any
-classifiers =
-    Framework :: Sphinx
-    Framework :: Sphinx :: Extension
-    Development Status :: 5 - Production/Stable
-    Environment :: Console
-    Environment :: Web Environment
-    Intended Audience :: Developers
-    License :: OSI Approved :: European Union Public Licence 1.2 (EUPL 1.2)
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Operating System :: OS Independent
-    Topic :: Documentation
-    Topic :: Software Development :: Documentation
-keywords = sphinx image gallery
-project_urls =
-    Source Code = https://procrastinator.nerv-project.eu/nerv-project/sphinx_galleria
-    Bug Tracker = https://procrastinator.nerv-project.eu/nerv-project/sphinx_galleria/issues
-
-[options]
-install_requires =
-    Sphinx>=3.0.0
-    Pillow
-packages = sphinx_galleria
-package_dir =
-    sphinx_galleria = .
-# cmdclass =
-#     compile_catalog = babel.messages.frontend.compile_catalog,
-#     extract_messages = babel.messages.frontend.extract_messages,
-#     init_catalog = babel.messages.frontend.init_catalog,
-#     update_catalog = babel.messages.frontend.update_catalog
-
-[options.package_data]
-sphinx_galleria =
-    VERSION
-    static/sphinxgalleria/*.mjs
-    static/sphinxgalleria/*.css
-    locale/*.pot
-    locale/*/LC_MESSAGES/*.po
-    locale/*/LC_MESSAGES/*.mo
-
-[extract_messages]
-mapping_file = babel.cfg
-output_file = sphinx_galleria/locale/sphinx.pot
-keywords = _ __ l_ lazy_gettext gettext ngettext
-add_comments = Translators:
-
-[init_catalog]
-domain = sphinx
-input_file = sphinx_galleria/locale/sphinx.pot
-output_dir = sphinx_galleria/locale/
-
-[update_catalog]
-domain = sphinx
-input_file = sphinx_galleria/locale/sphinx.pot
-output_dir = sphinx_galleria/locale/
-
-[compile_catalog]
-domain = sphinx
-directory = sphinx_galleria/locale/
diff --git a/__init__.py b/sphinx_galleria/__init__.py
similarity index 95%
rename from __init__.py
rename to sphinx_galleria/__init__.py
index 9c9d0b5..7f05ccc 100644
--- a/__init__.py
+++ b/sphinx_galleria/__init__.py
@@ -5,6 +5,7 @@
 Create image galleries
 """
 import os
+
 from typing import Dict, Any
 from sphinx.application import Sphinx
 from sphinx.environment import BuildEnvironment
@@ -14,13 +15,9 @@ from PIL import Image
 from sphinx_galleria import directive
 from sphinx_galleria import collector
 
-
-with open(os.path.join(
-        os.path.dirname(__file__),
-        'VERSION')) as version_file:
-    __version__ = version_file.read().strip()
-    __version_info__ = tuple(int(v) for v in __version__.split('.'))
-
+import pkg_resources
+__version__ = pkg_resources.get_distribution(__package__).version
+__version_info__ = tuple(int(v) for v in __version__.split('.'))
 
 def copy_images_files(app: Sphinx, env: BuildEnvironment) -> None:
 
diff --git a/collector.py b/sphinx_galleria/collector.py
similarity index 100%
rename from collector.py
rename to sphinx_galleria/collector.py
diff --git a/directive.py b/sphinx_galleria/directive.py
similarity index 100%
rename from directive.py
rename to sphinx_galleria/directive.py
diff --git a/locale/fr/LC_MESSAGES/sphinx.mo b/sphinx_galleria/locale/fr/LC_MESSAGES/sphinx.mo
similarity index 100%
rename from locale/fr/LC_MESSAGES/sphinx.mo
rename to sphinx_galleria/locale/fr/LC_MESSAGES/sphinx.mo
diff --git a/locale/fr/LC_MESSAGES/sphinx.po b/sphinx_galleria/locale/fr/LC_MESSAGES/sphinx.po
similarity index 100%
rename from locale/fr/LC_MESSAGES/sphinx.po
rename to sphinx_galleria/locale/fr/LC_MESSAGES/sphinx.po
diff --git a/locale/nl/LC_MESSAGES/sphinx.mo b/sphinx_galleria/locale/nl/LC_MESSAGES/sphinx.mo
similarity index 100%
rename from locale/nl/LC_MESSAGES/sphinx.mo
rename to sphinx_galleria/locale/nl/LC_MESSAGES/sphinx.mo
diff --git a/locale/nl/LC_MESSAGES/sphinx.po b/sphinx_galleria/locale/nl/LC_MESSAGES/sphinx.po
similarity index 100%
rename from locale/nl/LC_MESSAGES/sphinx.po
rename to sphinx_galleria/locale/nl/LC_MESSAGES/sphinx.po
diff --git a/locale/sphinx.pot b/sphinx_galleria/locale/sphinx.pot
similarity index 100%
rename from locale/sphinx.pot
rename to sphinx_galleria/locale/sphinx.pot
diff --git a/static/sphinxgalleria/sphinxgalleria.css b/sphinx_galleria/static/sphinxgalleria/sphinxgalleria.css
similarity index 100%
rename from static/sphinxgalleria/sphinxgalleria.css
rename to sphinx_galleria/static/sphinxgalleria/sphinxgalleria.css
diff --git a/static/sphinxgalleria/sphinxgalleria.mjs b/sphinx_galleria/static/sphinxgalleria/sphinxgalleria.mjs
similarity index 100%
rename from static/sphinxgalleria/sphinxgalleria.mjs
rename to sphinx_galleria/static/sphinxgalleria/sphinxgalleria.mjs