diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index c4ba28a0..88129d45 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -44,7 +44,7 @@ jobs:
           python -m pip install -r develop.txt
           python -m pip install -r docs/requirements.txt
           python -m pip install astropy "scikit-image<0.20" scikit-learn matplotlib
-          python -m pip install tensorflow>=2.4.1
+          python -m pip install tensorflow>=2.4.1 torch
           python -m pip install twine
           python -m pip install .
 
diff --git a/.pylintrc b/.pylintrc
deleted file mode 100644
index 3ac9aef9..00000000
--- a/.pylintrc
+++ /dev/null
@@ -1,2 +0,0 @@
-[MASTER]
-ignore-patterns=**/docs/**/*.py
diff --git a/.pyup.yml b/.pyup.yml
deleted file mode 100644
index 8fdac7ff..00000000
--- a/.pyup.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-# autogenerated pyup.io config file
-# see https://pyup.io/docs/configuration/ for all available options
-
-schedule: ''
-update: all
-label_prs: update
-assignees: sfarrens
-requirements:
-  - requirements.txt:
-      pin: False
-  - develop.txt:
-      pin: False
-  - docs/requirements.txt:
-      pin: True
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index 9a2f374e..00000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,5 +0,0 @@
-include requirements.txt
-include develop.txt
-include docs/requirements.txt
-include README.rst
-include LICENSE.txt
diff --git a/develop.txt b/develop.txt
deleted file mode 100644
index 6ff665eb..00000000
--- a/develop.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-coverage>=5.5
-pytest>=6.2.2
-pytest-raises>=0.10
-pytest-cases>= 3.6
-pytest-xdist>= 3.0.1
-pytest-cov>=2.11.1
-pytest-emoji>=0.2.0
-pydocstyle==6.1.1
-pytest-pydocstyle>=2.2.0
-black
-isort
-pytest-black
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..71bdce82
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,56 @@
+[project]
+name="modopt"
+description = 'Modular Optimisation tools for soliving inverse problems.'
+version = "1.7.1"
+requires-python= ">=3.8"
+
+authors = [{name="Samuel Farrens", email="samuel.farrens@cea.fr"},
+{name="Chaithya GR", email="chaithyagr@gmail.com"},
+{name="Pierre-Antoine Comby", email="pierre-antoine.comby@cea.fr"}
+]
+readme="README.md"
+license={file="LICENCE.txt"}
+
+dependencies = ["numpy", "scipy", "tqdm"]
+
+[project.optional-dependencies]
+gpu=["torch", "ptwt"]
+doc=["myst-parser==0.16.1",
+"nbsphinx==0.8.7",
+"nbsphinx-link==1.3.0",
+"sphinx-gallery==0.11.1",
+"sphinxawesome-theme==3.2.1",
+"sphinxcontrib-bibtex"]
+dev=["black", "pytest<8.0.0", "pytest-cases", "pytest-cov", "pytest-sugar", "ruff"]
+
+[build-system]
+requires=["setuptools", "setuptools-scm[toml]", "wheel"]
+
+[tool.setuptools]
+packages=["modopt"]
+
+[tool.coverage.run]
+omit = ["*tests*", "*__init__*", "*setup.py*", "*_version.py*", "*example*"]
+
+[tool.coverage.report]
+precision = 2
+exclude_lines = ["pragma: no cover", "raise NotImplementedError"]
+
+[tool.black]
+
+[tool.ruff]
+
+src=["modopt"]
+select = ["E", "F", "B", "Q", "UP", "D", "NPY", "RUF"]
+
+[tool.ruff.pydocstyle]
+convention="numpy"
+
+[tool.isort]
+profile="black"
+
+[tool.pytest.ini_options]
+minversion = "6.0"
+norecursedirs = ["tests/helpers"]
+testpaths=["modopt"]
+addopts = ["--verbose", "--cov=modopt", "--cov-report=term-missing", "--cov-report=xml", "--junitxml=pytest.xml"]
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 1f44de13..00000000
--- a/requirements.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-importlib_metadata>=3.7.0
-numpy>=1.19.5
-scipy>=1.5.4
-tqdm>=4.64.0
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 100adb40..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,97 +0,0 @@
-[aliases]
-test=pytest
-
-[metadata]
-description_file = README.rst
-
-[darglint]
-docstring_style = numpy
-strictness = short
-
-[flake8]
-ignore =
-  D107,   #Justification: Don't need docstring for __init__ in numpydoc style
-  RST304, #Justification: Need to use :cite: role for citations
-  RST210, #Justification: RST210, RST213 Inconsistent with numpydoc
-  RST213, #               documentation for handling *args and **kwargs
-  W503,   #Justification: Have to choose one multiline operator format
-  WPS202, #Todo: Rethink module size, possibly split large modules
-  WPS337, #Todo: Consider simplifying multiline conditions.
-  WPS338, #Todo: Consider changing method order
-  WPS403, #Todo: Rethink no cover lines
-  WPS421, #Todo: Review need for print statements
-  WPS432, #Justification: Mathematical codes require "magic numbers"
-  WPS433, #Todo: Rethink conditional imports
-  WPS463, #Todo: Rename get_ methods
-  WPS615, #Todo: Rename get_ methods
-per-file-ignores =
-  #Justification: Needed for keeping package version and current API
-  *__init__.py*: F401,F403,WPS347,WPS410,WPS412
-  #Todo: Rethink conditional imports
-  #Todo: How can we bypass mutable constants?
-  modopt/base/backend.py: WPS229, WPS420, WPS407
-  #Todo: Rethink conditional imports
-  modopt/base/observable.py: WPS420,WPS604
-  #Todo: Check string for log formatting
-  modopt/interface/log.py: WPS323
-  #Todo: Rethink conditional imports
-  modopt/math/convolve.py: WPS301,WPS420
-  #Todo: Rethink conditional imports
-  modopt/math/matrix.py: WPS420
-  #Todo: import has bad parenthesis
-  modopt/opt/algorithms/__init__.py: F401,F403,WPS318, WPS319, WPS412, WPS410
-  #Todo: x is a too short name.
-  modopt/opt/algorithms/forward_backward.py: WPS111
-  #Todo: u,v , A  is a too short name.
-  modopt/opt/algorithms/admm.py: WPS111, N803
-  #Todo: Check need for del statement
-  modopt/opt/algorithms/primal_dual.py: WPS111, WPS420
-  #multiline parameters bug with tuples
-  modopt/opt/algorithms/gradient_descent.py: WPS111, WPS420, WPS317
-  #Todo: Consider changing costObj name
-  modopt/opt/cost.py: N801,
-  #Todo:
-  # - Rethink subscript slice assignment
-  # - Reduce complexity of KSupportNorm
-  # - Check bitwise operations
-  modopt/opt/proximity.py: WPS220,WPS231,WPS352,WPS362,WPS465,WPS506,WPS508
-  #Todo: Consider changing cwbReweight name
-  modopt/opt/reweight.py: N801
-  #Justification: Needed to import matplotlib.pyplot
-  modopt/plot/cost_plot.py: N802,WPS301
-  #Todo: Investigate possible bug in find_n_pc function
-  #Todo: Investigate darglint error
-  modopt/signal/svd.py: WPS345, DAR000
-  #Todo: Check security of using system executable call
-  modopt/signal/wavelet.py: S404,S603
-  #Todo: Clean up tests
-  modopt/tests/*.py: E731,F401,WPS301,WPS420,WPS425,WPS437,WPS604
-  #Todo: Import has bad parenthesis
-  modopt/tests/test_base.py: WPS318,WPS319,E501,WPS301
-#WPS Settings
-max-arguments = 25
-max-attributes = 40
-max-cognitive-score = 20
-max-function-expressions = 20
-max-line-complexity = 30
-max-local-variables = 10
-max-methods = 20
-max-module-expressions = 20
-max-string-usages = 20
-max-raises = 5
-
-[tool:pytest]
-norecursedirs=tests/test_helpers
-testpaths =
-  modopt
-addopts =
-  --verbose
-  --cov=modopt
-  --cov-report=term-missing
-  --cov-report=xml
-  --junitxml=pytest.xml
-  --pydocstyle
-
-[pydocstyle]
-convention=numpy
-add-ignore=D107
diff --git a/setup.py b/setup.py
deleted file mode 100644
index e6a8a9e6..00000000
--- a/setup.py
+++ /dev/null
@@ -1,73 +0,0 @@
-#! /usr/bin/env python
-# -*- coding: utf-8 -*-
-
-from setuptools import setup, find_packages
-import os
-
-# Set the package release version
-major = 1
-minor = 7
-patch = 1
-
-# Set the package details
-name = 'modopt'
-version = '.'.join(str(value) for value in (major, minor, patch))
-author = 'Samuel Farrens'
-email = 'samuel.farrens@cea.fr'
-gh_user = 'cea-cosmic'
-url = 'https://github.com/{0}/{1}'.format(gh_user, name)
-description = 'Modular Optimisation tools for soliving inverse problems.'
-license = 'MIT'
-
-# Set the package classifiers
-python_versions_supported = ['3.7', '3.8', '3.9', '3.10', '3.11']
-os_platforms_supported = ['Unix', 'MacOS']
-
-lc_str = 'License :: OSI Approved :: {0} License'
-ln_str = 'Programming Language :: Python'
-py_str = 'Programming Language :: Python :: {0}'
-os_str = 'Operating System :: {0}'
-
-classifiers = (
-    [lc_str.format(license)]
-    + [ln_str]
-    + [py_str.format(ver) for ver in python_versions_supported]
-    + [os_str.format(ops) for ops in os_platforms_supported]
-)
-
-# Source package description from README.md
-this_directory = os.path.abspath(os.path.dirname(__file__))
-with open(os.path.join(this_directory, 'README.md'), encoding='utf-8') as f:
-    long_description = f.read()
-
-# Source package requirements from requirements.txt
-with open('requirements.txt') as open_file:
-    install_requires = open_file.read()
-
-# Source test requirements from develop.txt
-with open('develop.txt') as open_file:
-    tests_require = open_file.read()
-
-# Source doc requirements from docs/requirements.txt
-with open('docs/requirements.txt') as open_file:
-    docs_require = open_file.read()
-
-
-setup(
-    name=name,
-    author=author,
-    author_email=email,
-    version=version,
-    license=license,
-    url=url,
-    description=description,
-    long_description=long_description,
-    long_description_content_type='text/markdown',
-    packages=find_packages(),
-    install_requires=install_requires,
-    python_requires='>=3.6',
-    setup_requires=['pytest-runner'],
-    tests_require=tests_require,
-    extras_require={'develop': tests_require + docs_require},
-    classifiers=classifiers,
-)