diff --git a/README.md b/README.md
index 4ffd648..4d87dbd 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1 @@
-[![](https://git.klemek.fr/klemek/python-template/actions/workflows/lint.yml/badge.svg?branch=main&style=flat-square)](https://git.klemek.fr/klemek/python-template/actions?workflow=lint.yml) [![](https://git.klemek.fr/klemek/python-template/actions/workflows/test.yml/badge.svg?branch=main&style=flat-square)](https://git.klemek.fr/klemek/python-template/actions?workflow=test.yml)
-
-
-# Python Template
-
-## Use this template
-
-- [ ] 1. rename foler `sample` to match project
-- [ ] 2. rename project in `pyproject.toml`
-- [ ] 3. update `README.md`
-- [ ] 4. enjoy
+[![](https://git.klemek.fr/klemek/tout-doux/actions/workflows/lint.yml/badge.svg?branch=main&style=flat-square)](https://git.klemek.fr/klemek/tout-doux/actions?workflow=lint.yml) [![](https://git.klemek.fr/klemek/tout-doux/actions/workflows/test.yml/badge.svg?branch=main&style=flat-square)](https://git.klemek.fr/klemek/tout-doux/actions?workflow=test.yml)
diff --git a/sample/__init__.py b/app/__init__.py
similarity index 100%
rename from sample/__init__.py
rename to app/__init__.py
diff --git a/sample/__main__.py b/app/__main__.py
similarity index 100%
rename from sample/__main__.py
rename to app/__main__.py
diff --git a/sample/logs.py b/app/logs.py
similarity index 100%
rename from sample/logs.py
rename to app/logs.py
diff --git a/sample/params.py b/app/params.py
similarity index 100%
rename from sample/params.py
rename to app/params.py
diff --git a/pyproject.toml b/pyproject.toml
index 4e79dc4..bf0c767 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,13 +1,13 @@
 [project]
-name = "sample" # TODO: 2. rename project
+name = "tout-doux"
 version = "0.0.0"
-description = "Add your description here"
+description = ""
 readme = "README.md"
 requires-python = ">=3.14"
 dependencies = []
 
 [project.scripts]
-sample = "sample.__main__:main" # TODO: 2. rename project
+tout-doux = "app.__main__:main"
 
 [build-system]
 requires = ["uv_build>=0.11.7,<0.12"]
@@ -26,18 +26,14 @@ add-bounds = "major"
 
 [tool.uv.build-backend]
 module-root = ""
-module-name = "sample" # TODO: 2. rename project
+module-name = "app"
 
 [tool.ruff.lint]
 select = ["ALL"]
 ignore = ["D", "E501", "ANN401", "BLE001", "COM812", "S101", "PT"]
 
 [tool.ty.src]
-include = ["sample", "tests"] # TODO: 2. rename project
+include = ["app", "tests"]
 
 [tool.ty.environment]
 python = "./.venv/bin/python3"
-
-[tool.coverage.run]
-source = ["sample"] # TODO: 2. rename project
-omit = ["sample/logs.py", "sample/__main__.py"]
diff --git a/tests/__init__.py b/tests/__init__.py
deleted file mode 100644
index 37789d2..0000000
--- a/tests/__init__.py
+++ /dev/null
@@ -1,176 +0,0 @@
-import contextlib
-import pathlib
-import tempfile
-import typing
-import unittest
-import unittest.mock
-
-__import__("sys").modules["unittest.util"]._MAX_LENGTH = 999999999  # ty:ignore[unresolved-attribute]  # noqa: SLF001
-
-
-class BaseTestCase(unittest.TestCase):
-    @typing.override
-    def __init__(self, *args: typing.Any, **kwargs: typing.Any) -> None:
-        self.mocks: list[unittest.mock.Mock] = []
-        self.tmp_dir: tempfile.TemporaryDirectory | None = None
-        self.tmp_path: pathlib.Path = pathlib.Path()
-        super().__init__(*args, **kwargs)
-
-    @typing.override
-    def tearDown(self) -> None:
-        if self.tmp_dir is not None:
-            self.tmp_dir.cleanup()
-            self.tmp_dir = None
-        super().tearDown()
-
-    def get_tmp_dir(self) -> str:
-        self.tmp_dir = tempfile.TemporaryDirectory(delete=False)
-        self.tmp_path = pathlib.Path(self.tmp_dir.name)
-        return self.tmp_dir.name
-
-    def new_mock(self, spec: type | None = None) -> unittest.mock.Mock:
-        mock = unittest.mock.Mock(spec)
-        self.mocks += [mock]
-        return mock
-
-    @contextlib.contextmanager
-    def patch(
-        self, target: str, return_value: typing.Any = None, count: int = 1
-    ) -> typing.Iterator[unittest.mock.Mock]:
-        with unittest.mock.patch(
-            target, return_value=return_value, create=True
-        ) as mock:
-            yield mock
-            self.assertEqual(mock.call_count, count, mock)
-
-    @contextlib.contextmanager
-    def patch_calls(
-        self,
-        target: str,
-        args: list[typing.Iterable[typing.Any]] | None = None,
-        return_values: list[typing.Any] | None = None,
-        kwargs: list[dict[str, typing.Any]] | None = None,
-    ) -> typing.Iterator[unittest.mock.Mock]:
-        if args is None:
-            args = [[]]
-        if return_values is None:
-            return_values = [None] * len(args)
-        if kwargs is None:
-            kwargs = [{}] * len(args)
-        with unittest.mock.patch(
-            target, side_effect=return_values, create=True
-        ) as mock:
-            yield mock
-            self.__check_calls(mock, args, kwargs)
-
-    @contextlib.contextmanager
-    def patch_call(
-        self,
-        target: str,
-        args: typing.Iterable[typing.Any] | None = None,
-        return_value: typing.Any = None,
-        kwargs: dict[str, typing.Any] | None = None,
-    ) -> typing.Iterator[unittest.mock.Mock]:
-        if args is None:
-            args = []
-        if kwargs is None:
-            kwargs = {}
-        with self.patch_calls(target, [args], [return_value], [kwargs]) as mock:
-            yield mock
-
-    @contextlib.contextmanager
-    def seal_mocks(self, *extra_mocks: unittest.mock.Mock) -> typing.Iterator[None]:
-        for mock in self.mocks:
-            unittest.mock.seal(mock)
-        for mock in extra_mocks:
-            unittest.mock.seal(mock)
-        yield
-
-    @contextlib.contextmanager
-    def mock_calls(
-        self,
-        mock: unittest.mock.Mock,
-        args: list[typing.Iterable[typing.Any]] | None = None,
-        return_values: list[typing.Any] | None = None,
-        kwargs: list[dict[str, typing.Any]] | None = None,
-    ) -> typing.Iterator[None]:
-        if args is None:
-            args = [[]]
-        if return_values is None:
-            return_values = [None] * len(args)
-        if kwargs is None:
-            kwargs = [{}] * len(args)
-        mock.side_effect = return_values
-        mock.reset_mock()
-        yield
-        self.__check_calls(mock, args, kwargs)
-
-    @contextlib.contextmanager
-    def mock_call(
-        self,
-        mock: unittest.mock.Mock,
-        args: typing.Iterable[typing.Any] | None = None,
-        return_value: typing.Any = None,
-        kwargs: dict[str, typing.Any] | None = None,
-    ) -> typing.Iterator[None]:
-        if args is None:
-            args = []
-        if kwargs is None:
-            kwargs = {}
-        with self.mock_calls(mock, [args], [return_value], [kwargs]):
-            yield
-
-    @contextlib.contextmanager
-    def mock_calls_unchecked(
-        self,
-        mock: unittest.mock.Mock,
-        count: int = 1,
-        return_values: list[typing.Any] | None = None,
-    ) -> typing.Iterator[None]:
-        if return_values is None:
-            return_values = [None] * count
-        mock.side_effect = return_values
-        mock.reset_mock()
-        yield
-        self.assertEqual(mock.call_count, count, mock)
-
-    @contextlib.contextmanager
-    def mock_call_unchecked(
-        self,
-        mock: unittest.mock.Mock,
-        return_value: typing.Any = None,
-    ) -> typing.Iterator[None]:
-        with self.mock_calls_unchecked(mock, 1, [return_value]):
-            yield
-
-    def assert_file_content(self, file: pathlib.Path, *expected_content: str) -> None:
-        assert file.parent.is_dir(), file
-        assert file.exists(), file
-        assert file.is_file(), file
-        with file.open() as file_content:
-            self.assertEqual(file_content.read(), "\n".join(expected_content))
-
-    def __check_calls(
-        self,
-        mock: unittest.mock.Mock,
-        args: list[typing.Iterable[typing.Any]],
-        kwargs: list[dict[str, typing.Any]],
-    ) -> None:
-        total_rows = max(len(args), len(mock.method_calls), len(kwargs))
-        missing_calls = max(0, total_rows - len(mock.mock_calls))
-        missing_args = max(0, total_rows - len(args))
-        missing_kwargs = max(0, total_rows - len(kwargs))
-        for i, values in enumerate(
-            zip(
-                mock.mock_calls + [None] * missing_calls,
-                args + [[]] * missing_args,
-                kwargs + [{}] * missing_kwargs,
-                strict=False,
-            )
-        ):
-            real_call, expected_args, expected_kwargs = values
-            self.assertEqual(
-                real_call,
-                unittest.mock.call(*expected_args, **expected_kwargs),
-                f"{i + 1}: {mock}",
-            )
diff --git a/tests/test_sample.py b/tests/test_sample.py
deleted file mode 100644
index 5e39f89..0000000
--- a/tests/test_sample.py
+++ /dev/null
@@ -1,6 +0,0 @@
-from . import BaseTestCase
-
-
-class TestSample(BaseTestCase):
-    def test_sample(self) -> None:
-        self.skipTest("TODO")
diff --git a/uv.lock b/uv.lock
index dd41c04..7d8d21f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -128,7 +128,7 @@ wheels = [
 ]
 
 [[package]]
-name = "sample"
+name = "tout-doux"
 version = "0.0.0"
 source = { editable = "." }
 
@@ -144,10 +144,10 @@ dev = [
 
 [package.metadata.requires-dev]
 dev = [
-    { name = "coverage", specifier = ">=7.13.5" },
-    { name = "pytest", specifier = ">=9.0.3" },
-    { name = "ruff", specifier = ">=0.15.10" },
-    { name = "ty", specifier = ">=0.0.29" },
+    { name = "coverage", specifier = ">=7.13.5,<8.0.0" },
+    { name = "pytest", specifier = ">=9.0.3,<10.0.0" },
+    { name = "ruff", specifier = ">=0.15.12,<0.16.0" },
+    { name = "ty", specifier = ">=0.0.34,<0.0.35" },
 ]
 
 [[package]]