diff --git a/modopt/examples/README.rst b/examples/README.rst
similarity index 100%
rename from modopt/examples/README.rst
rename to examples/README.rst
diff --git a/modopt/examples/__init__.py b/examples/__init__.py
similarity index 100%
rename from modopt/examples/__init__.py
rename to examples/__init__.py
diff --git a/modopt/examples/conftest.py b/examples/conftest.py
similarity index 100%
rename from modopt/examples/conftest.py
rename to examples/conftest.py
diff --git a/modopt/examples/example_lasso_forward_backward.py b/examples/example_lasso_forward_backward.py
similarity index 100%
rename from modopt/examples/example_lasso_forward_backward.py
rename to examples/example_lasso_forward_backward.py
diff --git a/pyproject.toml b/pyproject.toml
index 71bdce82..7c9b21a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,9 +26,6 @@ dev=["black", "pytest<8.0.0", "pytest-cases", "pytest-cov", "pytest-sugar", "ruf
 [build-system]
 requires=["setuptools", "setuptools-scm[toml]", "wheel"]
 
-[tool.setuptools]
-packages=["modopt"]
-
 [tool.coverage.run]
 omit = ["*tests*", "*__init__*", "*setup.py*", "*_version.py*", "*example*"]
 
@@ -38,12 +35,10 @@ exclude_lines = ["pragma: no cover", "raise NotImplementedError"]
 
 [tool.black]
 
-[tool.ruff]
-
-src=["modopt"]
+[lint]
 select = ["E", "F", "B", "Q", "UP", "D", "NPY", "RUF"]
 
-[tool.ruff.pydocstyle]
+[lint.pydocstyle]
 convention="numpy"
 
 [tool.isort]
diff --git a/modopt/__init__.py b/src/modopt/__init__.py
similarity index 100%
rename from modopt/__init__.py
rename to src/modopt/__init__.py
diff --git a/modopt/base/__init__.py b/src/modopt/base/__init__.py
similarity index 100%
rename from modopt/base/__init__.py
rename to src/modopt/base/__init__.py
diff --git a/modopt/base/backend.py b/src/modopt/base/backend.py
similarity index 100%
rename from modopt/base/backend.py
rename to src/modopt/base/backend.py
diff --git a/modopt/base/np_adjust.py b/src/modopt/base/np_adjust.py
similarity index 100%
rename from modopt/base/np_adjust.py
rename to src/modopt/base/np_adjust.py
diff --git a/modopt/base/observable.py b/src/modopt/base/observable.py
similarity index 100%
rename from modopt/base/observable.py
rename to src/modopt/base/observable.py
diff --git a/modopt/base/transform.py b/src/modopt/base/transform.py
similarity index 100%
rename from modopt/base/transform.py
rename to src/modopt/base/transform.py
diff --git a/modopt/base/types.py b/src/modopt/base/types.py
similarity index 100%
rename from modopt/base/types.py
rename to src/modopt/base/types.py
diff --git a/modopt/base/wrappers.py b/src/modopt/base/wrappers.py
similarity index 100%
rename from modopt/base/wrappers.py
rename to src/modopt/base/wrappers.py
diff --git a/modopt/interface/__init__.py b/src/modopt/interface/__init__.py
similarity index 100%
rename from modopt/interface/__init__.py
rename to src/modopt/interface/__init__.py
diff --git a/modopt/interface/errors.py b/src/modopt/interface/errors.py
similarity index 100%
rename from modopt/interface/errors.py
rename to src/modopt/interface/errors.py
diff --git a/modopt/interface/log.py b/src/modopt/interface/log.py
similarity index 100%
rename from modopt/interface/log.py
rename to src/modopt/interface/log.py
diff --git a/modopt/math/__init__.py b/src/modopt/math/__init__.py
similarity index 100%
rename from modopt/math/__init__.py
rename to src/modopt/math/__init__.py
diff --git a/modopt/math/convolve.py b/src/modopt/math/convolve.py
similarity index 100%
rename from modopt/math/convolve.py
rename to src/modopt/math/convolve.py
diff --git a/modopt/math/matrix.py b/src/modopt/math/matrix.py
similarity index 100%
rename from modopt/math/matrix.py
rename to src/modopt/math/matrix.py
diff --git a/modopt/math/metrics.py b/src/modopt/math/metrics.py
similarity index 100%
rename from modopt/math/metrics.py
rename to src/modopt/math/metrics.py
diff --git a/modopt/math/stats.py b/src/modopt/math/stats.py
similarity index 100%
rename from modopt/math/stats.py
rename to src/modopt/math/stats.py
diff --git a/modopt/opt/__init__.py b/src/modopt/opt/__init__.py
similarity index 100%
rename from modopt/opt/__init__.py
rename to src/modopt/opt/__init__.py
diff --git a/modopt/opt/algorithms/__init__.py b/src/modopt/opt/algorithms/__init__.py
similarity index 100%
rename from modopt/opt/algorithms/__init__.py
rename to src/modopt/opt/algorithms/__init__.py
diff --git a/modopt/opt/algorithms/admm.py b/src/modopt/opt/algorithms/admm.py
similarity index 100%
rename from modopt/opt/algorithms/admm.py
rename to src/modopt/opt/algorithms/admm.py
diff --git a/modopt/opt/algorithms/base.py b/src/modopt/opt/algorithms/base.py
similarity index 100%
rename from modopt/opt/algorithms/base.py
rename to src/modopt/opt/algorithms/base.py
diff --git a/modopt/opt/algorithms/forward_backward.py b/src/modopt/opt/algorithms/forward_backward.py
similarity index 100%
rename from modopt/opt/algorithms/forward_backward.py
rename to src/modopt/opt/algorithms/forward_backward.py
diff --git a/modopt/opt/algorithms/gradient_descent.py b/src/modopt/opt/algorithms/gradient_descent.py
similarity index 100%
rename from modopt/opt/algorithms/gradient_descent.py
rename to src/modopt/opt/algorithms/gradient_descent.py
diff --git a/modopt/opt/algorithms/primal_dual.py b/src/modopt/opt/algorithms/primal_dual.py
similarity index 100%
rename from modopt/opt/algorithms/primal_dual.py
rename to src/modopt/opt/algorithms/primal_dual.py
diff --git a/modopt/opt/cost.py b/src/modopt/opt/cost.py
similarity index 100%
rename from modopt/opt/cost.py
rename to src/modopt/opt/cost.py
diff --git a/modopt/opt/gradient.py b/src/modopt/opt/gradient.py
similarity index 100%
rename from modopt/opt/gradient.py
rename to src/modopt/opt/gradient.py
diff --git a/modopt/opt/linear/__init__.py b/src/modopt/opt/linear/__init__.py
similarity index 100%
rename from modopt/opt/linear/__init__.py
rename to src/modopt/opt/linear/__init__.py
diff --git a/modopt/opt/linear/base.py b/src/modopt/opt/linear/base.py
similarity index 100%
rename from modopt/opt/linear/base.py
rename to src/modopt/opt/linear/base.py
diff --git a/modopt/opt/linear/wavelet.py b/src/modopt/opt/linear/wavelet.py
similarity index 100%
rename from modopt/opt/linear/wavelet.py
rename to src/modopt/opt/linear/wavelet.py
diff --git a/modopt/opt/proximity.py b/src/modopt/opt/proximity.py
similarity index 100%
rename from modopt/opt/proximity.py
rename to src/modopt/opt/proximity.py
diff --git a/modopt/opt/reweight.py b/src/modopt/opt/reweight.py
similarity index 100%
rename from modopt/opt/reweight.py
rename to src/modopt/opt/reweight.py
diff --git a/modopt/plot/__init__.py b/src/modopt/plot/__init__.py
similarity index 100%
rename from modopt/plot/__init__.py
rename to src/modopt/plot/__init__.py
diff --git a/modopt/plot/cost_plot.py b/src/modopt/plot/cost_plot.py
similarity index 100%
rename from modopt/plot/cost_plot.py
rename to src/modopt/plot/cost_plot.py
diff --git a/modopt/signal/__init__.py b/src/modopt/signal/__init__.py
similarity index 100%
rename from modopt/signal/__init__.py
rename to src/modopt/signal/__init__.py
diff --git a/modopt/signal/filter.py b/src/modopt/signal/filter.py
similarity index 100%
rename from modopt/signal/filter.py
rename to src/modopt/signal/filter.py
diff --git a/modopt/signal/noise.py b/src/modopt/signal/noise.py
similarity index 100%
rename from modopt/signal/noise.py
rename to src/modopt/signal/noise.py
diff --git a/modopt/signal/positivity.py b/src/modopt/signal/positivity.py
similarity index 100%
rename from modopt/signal/positivity.py
rename to src/modopt/signal/positivity.py
diff --git a/modopt/signal/svd.py b/src/modopt/signal/svd.py
similarity index 100%
rename from modopt/signal/svd.py
rename to src/modopt/signal/svd.py
diff --git a/modopt/signal/validation.py b/src/modopt/signal/validation.py
similarity index 100%
rename from modopt/signal/validation.py
rename to src/modopt/signal/validation.py
diff --git a/modopt/signal/wavelet.py b/src/modopt/signal/wavelet.py
similarity index 100%
rename from modopt/signal/wavelet.py
rename to src/modopt/signal/wavelet.py
diff --git a/modopt/tests/test_algorithms.py b/tests/test_algorithms.py
similarity index 100%
rename from modopt/tests/test_algorithms.py
rename to tests/test_algorithms.py
diff --git a/modopt/tests/test_base.py b/tests/test_base.py
similarity index 100%
rename from modopt/tests/test_base.py
rename to tests/test_base.py
diff --git a/modopt/tests/test_helpers/__init__.py b/tests/test_helpers/__init__.py
similarity index 100%
rename from modopt/tests/test_helpers/__init__.py
rename to tests/test_helpers/__init__.py
diff --git a/modopt/tests/test_helpers/utils.py b/tests/test_helpers/utils.py
similarity index 100%
rename from modopt/tests/test_helpers/utils.py
rename to tests/test_helpers/utils.py
diff --git a/modopt/tests/test_math.py b/tests/test_math.py
similarity index 100%
rename from modopt/tests/test_math.py
rename to tests/test_math.py
diff --git a/modopt/tests/test_opt.py b/tests/test_opt.py
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rename from modopt/tests/test_opt.py
rename to tests/test_opt.py
diff --git a/modopt/tests/test_signal.py b/tests/test_signal.py
similarity index 100%
rename from modopt/tests/test_signal.py
rename to tests/test_signal.py