diff --git a/poisson_numcodecs/__init__.py b/poisson_numcodecs/__init__.py
deleted file mode 100644
index bad5057..0000000
--- a/poisson_numcodecs/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .version import version as __version__
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..7fe29ac
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,24 @@
+[build-system]
+requires = ["setuptools>=61.0", "setuptools_scm>=8"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+version_file = "_version.py"
+
+[project]
+name = "poisson_numcodecs"
+authors = [
+  { name="Jerome Lecoq", email="jeromel@alleninstitute.org" },
+]
+description = "Numcodecs implementation of a poisson noise calibration."
+readme = "README.md"
+requires-python = ">=3.8"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+]
+
+[project.urls]
+Homepage = "https://github.com/AllenNeuralDynamics/poisson-numcodecs"
+Issues = "https://github.com/AllenNeuralDynamics/poisson-numcodecs/issues"
\ No newline at end of file
diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 0c54ffe..0000000
--- a/pytest.ini
+++ /dev/null
@@ -1,4 +0,0 @@
-[pytest]
-markers =
-    numcodecs
-    zarr
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 7ca1bc7..0000000
--- a/setup.py
+++ /dev/null
@@ -1,37 +0,0 @@
-# -*- coding: utf-8 -*-
-from setuptools import setup, find_packages
-
-
-def open_requirements(fname):
-    with open(fname, mode='r') as f:
-        requires = f.read().split('\n')
-    requires = [e for e in requires if len(e) > 0 and not e.startswith('#')]
-    return requires
-
-
-d = {}
-exec(open("poisson_numcodecs/version.py").read(), None, d)
-version = d['version']
-long_description = open("README.md").read()
-
-install_requires = open_requirements('requirements.txt')
-entry_points = {"numcodecs.codecs": ["poisson = poisson_numcodecs:Poisson"]}
-
-setup(
-    name="poisson_numcodecs",
-    version=version,
-    author="Jerome Lecoq",
-    author_email="jeromel@alleninstitute.org",
-    description="Numcodecs implementation of a poisson noise calibration.",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/AllenNeuralDynamics/poisson-numcodecs",
-    install_requires=install_requires,
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-    ],
-    packages=find_packages(),
-    entry_points=entry_points,
-)
diff --git a/poisson_numcodecs/Calibrate.py b/src/poisson_numcodecs/Calibrate.py
similarity index 100%
rename from poisson_numcodecs/Calibrate.py
rename to src/poisson_numcodecs/Calibrate.py
diff --git a/poisson_numcodecs/Poisson.py b/src/poisson_numcodecs/Poisson.py
similarity index 100%
rename from poisson_numcodecs/Poisson.py
rename to src/poisson_numcodecs/Poisson.py
diff --git a/src/poisson_numcodecs/__init__.py b/src/poisson_numcodecs/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/poisson_numcodecs/version.py b/src/poisson_numcodecs/_version.py
similarity index 100%
rename from poisson_numcodecs/version.py
rename to src/poisson_numcodecs/_version.py
diff --git a/poisson_numcodecs/estimate.py b/src/poisson_numcodecs/estimate.py
similarity index 100%
rename from poisson_numcodecs/estimate.py
rename to src/poisson_numcodecs/estimate.py