diff --git a/CHANGELOG.md b/CHANGELOG.md
index dacde367..c686fe0c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 
 ### Changed
 
+* Moved from prospector to ruff [#336](https://github.com/NLeSC/python-template/issues/336)
 * Renamed `project_name` to `directory_name` in cookiecutter questionnaire
 * Initial linting is error free [#227](https://github.com/NLeSC/python-template/issues/227)
 * Consolidated test/lint/build/docs into single matrix workflow [#270](https://github.com/NLeSC/python-template/issues/276)
diff --git a/README.md b/README.md
index c2cb63b0..df725406 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ an empty Python package. Features include:
 - [Python static setup configuration]({{cookiecutter.directory_name}}/setup.cfg),
 - Open source software license,
 - Continuous integration with [GitHub action workflows]({{cookiecutter.directory_name}}/.github/workflows) for building, testing, link checking and linting,
-- Code style checking with [prospector](https://pypi.org/project/prospector/),
+- Code style checking with [ruff](https://beta.ruff.rs/),
 - [Editorconfig]({{cookiecutter.directory_name}}/.editorconfig),
 - Usage and contribution documents:
   - [README.md]({{cookiecutter.directory_name}}/README.md) for package users,
@@ -131,7 +131,6 @@ my-python-project/
 ├── next_steps.md
 ├── NOTICE
 ├── project_setup.md
-├── .prospector.yml
 ├── .pylintrc
 ├── pyproject.toml
 ├── README.dev.md
diff --git a/tests/test_project.py b/tests/test_project.py
index c1b56c73..a47d3f9b 100644
--- a/tests/test_project.py
+++ b/tests/test_project.py
@@ -1,5 +1,6 @@
 import os
 import subprocess
+import sys
 from sys import platform
 from typing import Sequence
 
@@ -107,6 +108,8 @@ def test_generate_api_docs(baked_with_development_dependencies, project_env_bin_
     assert (project_dir / 'docs' / '_build' / 'html' / 'index.html').exists()
 
 
+@pytest.mark.skipif(sys.version_info < (3, 9), reason=
+"requires python 3.9 or higher, see https://github.com/NLeSC/python-template/pull/347#issuecomment-1710684574")
 def test_coverage_api_docs(baked_with_development_dependencies, project_env_bin_dir):
     project_dir = baked_with_development_dependencies
     bin_dir = project_env_bin_dir
@@ -116,9 +119,28 @@ def test_coverage_api_docs(baked_with_development_dependencies, project_env_bin_
     assert 'build succeeded' in result.stdout
     coverage_file = project_dir / 'docs' / '_build' / 'coverage' / 'python.txt'
     coverage_file_lines = coverage_file.read_text('utf8').splitlines()
-    expected = ['Undocumented Python objects',
-                '===========================']
-    assert coverage_file_lines == expected
+    # Coverage file lines should look globally like:
+    # ['Undocumented Python objects',
+    #  '===========================',
+    #  '',
+    #  'Statistics',
+    #  '----------',
+    #  '',
+    #  '+-----------------------------+----------+--------------+',
+    #  '| Module                      | Coverage | Undocumented |',
+    #  '+=============================+==========+==============+',
+    #  '| my_python_package           | 100.00%  | 0            |',
+    #  '+-----------------------------+----------+--------------+',
+    #  '| my_python_package.my_module | 100.00%  | 0            |',
+    #  '+-----------------------------+----------+--------------+',
+    #  '| TOTAL                       | 100.00%  | 0            |',
+    #  '+-----------------------------+----------+--------------+',
+    #  ''
+    #  ]
+    # The package coverage lines change order between runs, so we test for each data row individually:
+    assert '| my_python_package           | 100.00%  | 0            |' in coverage_file_lines
+    assert '| my_python_package.my_module | 100.00%  | 0            |' in coverage_file_lines
+    assert '| TOTAL                       | 100.00%  | 0            |' in coverage_file_lines
 
 
 def test_doctest_api_docs(baked_with_development_dependencies, project_env_bin_dir):
@@ -131,20 +153,11 @@ def test_doctest_api_docs(baked_with_development_dependencies, project_env_bin_d
     assert (project_dir / 'docs' / '_build' / 'doctest' / 'output.txt').exists()
 
 
-def test_prospector(baked_with_development_dependencies, project_env_bin_dir):
+def test_ruff_check(baked_with_development_dependencies, project_env_bin_dir):
     project_dir = baked_with_development_dependencies
     bin_dir = project_env_bin_dir
 
-    result = run([f'{bin_dir}prospector'], project_dir)
-    assert result.returncode == 0
-    assert 'Messages Found: 0' in result.stdout
-
-
-def test_isort_check(baked_with_development_dependencies, project_env_bin_dir):
-    project_dir = baked_with_development_dependencies
-    bin_dir = project_env_bin_dir
-
-    result = run([f'{bin_dir}isort', '--check-only', 'my_python_package'], project_dir)
+    result = run([f'{bin_dir}ruff', '.'], project_dir)
     assert result.returncode == 0
     assert '' in result.stdout
 
diff --git a/{{cookiecutter.directory_name}}/.githooks/pre-commit b/{{cookiecutter.directory_name}}/.githooks/pre-commit
index 2e38f129..a0f9c2e0 100755
--- a/{{cookiecutter.directory_name}}/.githooks/pre-commit
+++ b/{{cookiecutter.directory_name}}/.githooks/pre-commit
@@ -3,29 +3,17 @@
 echo "Script $0 triggered ..."
 
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
-echo "Starting prospector analysis using configuration from .prospector.yml..."
+echo "Starting ruff analysis..."
 
-# quietly run prospector
-prospector 1>/dev/null
+# quietly run ruff
+ruff . --fix
 
 # use return code to abort commit if necessary
 if [ $? != "0" ]; then
-    echo "Commit aborted. Run 'prospector' to see the errors."
+    echo "Commit aborted. Fix linter issues found by ruff before committing."
     exit 1
 fi
 
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
-echo "Starting isort analysis using configuration from setup.cfg..."
-
-# recursively run isort on {{ cookiecutter.package_name }}/ directory, don't try to automatically fix anything
-isort --recursive --check-only {{ cookiecutter.package_name }}
-
-if [ $? != "0" ]; then
-    echo "Commit aborted."
-    echo "  Run 'isort --check-only --diff {{ cookiecutter.package_name }}' to see what's wrong."
-    echo "  Run 'isort {{ cookiecutter.package_name }}' to let isort fix problems automatically."
-    exit 1
-fi
-
 echo "Pre-commit checks completed successfully."
 exit 0
diff --git a/{{cookiecutter.directory_name}}/.github/next_steps/05_linting.md b/{{cookiecutter.directory_name}}/.github/next_steps/05_linting.md
index e2b32c24..471a09b4 100644
--- a/{{cookiecutter.directory_name}}/.github/next_steps/05_linting.md
+++ b/{{cookiecutter.directory_name}}/.github/next_steps/05_linting.md
@@ -7,7 +7,7 @@ Your repository has a [workflow]({{ cookiecutter.repository }}/blob/main/.github
 Linter workflow may fail if `description` or `keywords` field in [setup.cfg]({{ cookiecutter.repository }}/blob/main/setup.cfg) is empty. Please update these fields. To validate your changes run:
 
 ```shell
-prospector
+ruff .
 ```
 
 Enabling [githook](https://git-scm.com/docs/githooks) will automatically lint your code in every commit. You can enable it by running the command below.
diff --git a/{{cookiecutter.directory_name}}/.github/workflows/build.yml b/{{cookiecutter.directory_name}}/.github/workflows/build.yml
index 666b6930..80ec495f 100644
--- a/{{cookiecutter.directory_name}}/.github/workflows/build.yml
+++ b/{{cookiecutter.directory_name}}/.github/workflows/build.yml
@@ -58,7 +58,5 @@ jobs:
         run: |
           python -m pip install --upgrade pip setuptools
           python -m pip install .[dev,publishing]
-      - name: Check style against standards using prospector
-        run: prospector
-      - name: Check import order
-        run: isort --check-only {{ cookiecutter.package_name }} --diff
+      - name: Check style against standards using ruff
+        run: ruff .
diff --git a/{{cookiecutter.directory_name}}/.github/workflows/sonarcloud.yml b/{{cookiecutter.directory_name}}/.github/workflows/sonarcloud.yml
index 1067aa92..dc4f8672 100644
--- a/{{cookiecutter.directory_name}}/.github/workflows/sonarcloud.yml
+++ b/{{cookiecutter.directory_name}}/.github/workflows/sonarcloud.yml
@@ -29,8 +29,6 @@ jobs:
           python --version
       - name: Install dependencies
         run: python -m pip install .[dev]
-      - name: Check style against standards using prospector
-        run: prospector --zero-exit --output-format grouped --output-format pylint:pylint-report.txt
       - name: Run unit tests with coverage
         run: python -m pytest --cov --cov-report term --cov-report xml --junitxml=xunit-result.xml tests/
       - name: Correct coverage paths
diff --git a/{{cookiecutter.directory_name}}/.prospector.yml b/{{cookiecutter.directory_name}}/.prospector.yml
deleted file mode 100644
index a5000487..00000000
--- a/{{cookiecutter.directory_name}}/.prospector.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-# prospector configuration file
-
----
-
-output-format: grouped
-
-strictness: medium
-doc-warnings: false
-test-warnings: true
-member-warnings: false
-
-ignore-paths:
-  - docs
-
-pyroma:
-    run: true
-
-pycodestyle:
-    full: true
-
-pydocstyle:
-    disable: [
-        # Disable because not part of PEP257 official convention:
-        # see http://pep257.readthedocs.io/en/latest/error_codes.html
-        D203,  # 1 blank line required before class docstring
-        D212,  # Multi-line docstring summary should start at the first line
-        D213,  # Multi-line docstring summary should start at the second line
-        D404,  # First word of the docstring should not be This
-    ]
diff --git a/{{cookiecutter.directory_name}}/README.dev.md b/{{cookiecutter.directory_name}}/README.dev.md
index 9b48b4e4..839a4a0f 100644
--- a/{{cookiecutter.directory_name}}/README.dev.md
+++ b/{{cookiecutter.directory_name}}/README.dev.md
@@ -62,28 +62,20 @@ coverage report
 
 ## Running linters locally
 
-For linting we will use [prospector](https://pypi.org/project/prospector/) and to sort imports we will use
-[isort](https://pycqa.github.io/isort/). Running the linters requires an activated virtual environment with the
-development tools installed.
+For linting and sorting imports we will use [ruff](https://beta.ruff.rs/docs/). Running the linters requires an 
+activated virtual environment with the development tools installed.
 
 ```shell
 # linter
-prospector
+ruff .
 
-# recursively check import style for the {{ cookiecutter.package_name }} module only
-isort --check-only {{ cookiecutter.package_name }}
-
-# recursively check import style for the {{ cookiecutter.package_name }} module only and show
-# any proposed changes as a diff
-isort --check-only --diff {{ cookiecutter.package_name }}
-
-# recursively fix import style for the {{ cookiecutter.package_name }} module only
-isort {{ cookiecutter.package_name }}
+# linter with automatic fixing
+ruff . --fix
 ```
 
 To fix readability of your code style you can use [yapf](https://github.com/google/yapf).
 
-You can enable automatic linting with `prospector` and `isort` on commit by enabling the git hook from `.githooks/pre-commit`, like so:
+You can enable automatic linting with `ruff` on commit by enabling the git hook from `.githooks/pre-commit`, like so:
 
 ```shell
 git config --local core.hooksPath .githooks
diff --git a/{{cookiecutter.directory_name}}/pyproject.toml b/{{cookiecutter.directory_name}}/pyproject.toml
index e929771d..4e50c29d 100644
--- a/{{cookiecutter.directory_name}}/pyproject.toml
+++ b/{{cookiecutter.directory_name}}/pyproject.toml
@@ -19,3 +19,78 @@ skip_missing_interpreters = true
 commands = pytest
 extras = dev
 """
+
+[tool.ruff]
+# Enable Pyflakes `E` and `F` codes by default.
+select = [
+    "F",  # Pyflakes
+    "E",  # pycodestyle (error)
+    "W",    # pycodestyle (warning)
+    # "C90",  # mccabe
+    "I",    # isort
+    "D",    # pydocstyle
+    # "PL",   # Pylint
+    # "PLC",  # Convention
+    # "PLE",  # Error
+    # "PLR",  # Refactor
+    # "PLW",  # Warning
+
+]
+ignore = [
+    'D100',  # Missing module docstring
+    'D104',  # Missing public package docstring
+    # The following list excludes rules irrelevant to the Google style
+    'D203',
+    'D204',
+    'D213',
+    'D215',
+    'D400',
+    'D401',
+    'D404',
+    'D406',
+    'D407',
+    'D408',
+    'D409',
+    'D413',
+]
+
+# Allow autofix for all enabled rules (when `--fix`) is provided.
+fixable = ["A", "B", "C", "D", "E", "F", "I"]
+unfixable = []
+
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".hg",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "venv",
+    ".venv",
+    "scripts",
+]
+per-file-ignores = {}
+
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+target-version = "py39"
+line-length = 120
+
+[tool.ruff.isort]
+known-first-party = ["{{ cookiecutter.package_name }}"]
+force-single-line = true
+no-lines-before = ["future","standard-library","third-party","first-party","local-folder"]
diff --git a/{{cookiecutter.directory_name}}/setup.cfg b/{{cookiecutter.directory_name}}/setup.cfg
index 33c72c7f..d623faa8 100644
--- a/{{cookiecutter.directory_name}}/setup.cfg
+++ b/{{cookiecutter.directory_name}}/setup.cfg
@@ -51,8 +51,7 @@ install_requires =
 dev =
     bump2version
     coverage [toml]
-    prospector[with_pyroma]
-    isort
+    ruff
     pytest
     pytest-cov
     sphinx
@@ -66,11 +65,3 @@ publishing =
 
 [options.packages.find]
 include = {{ cookiecutter.package_name }}, {{ cookiecutter.package_name }}.*
-
-[isort]
-lines_after_imports = 2
-force_single_line = 1
-no_lines_before = FUTURE,STDLIB,THIRDPARTY,FIRSTPARTY,LOCALFOLDER
-known_first_party = {{ cookiecutter.package_name }}
-src_paths = {{ cookiecutter.package_name }},tests
-line_length = 120
diff --git a/{{cookiecutter.directory_name}}/setup.py b/{{cookiecutter.directory_name}}/setup.py
index 64c3869b..3bac968b 100644
--- a/{{cookiecutter.directory_name}}/setup.py
+++ b/{{cookiecutter.directory_name}}/setup.py
@@ -1,7 +1,5 @@
 #!/usr/bin/env python
-import os
 from setuptools import setup
 
-
 # see setup.cfg
 setup()
diff --git a/{{cookiecutter.directory_name}}/tests/test_my_module.py b/{{cookiecutter.directory_name}}/tests/test_my_module.py
index c78f5249..ad6481d6 100644
--- a/{{cookiecutter.directory_name}}/tests/test_my_module.py
+++ b/{{cookiecutter.directory_name}}/tests/test_my_module.py
@@ -1,15 +1,15 @@
-"""Tests for the {{ cookiecutter.package_name }}.my_module module.
-"""
+"""Tests for the {{ cookiecutter.package_name }}.my_module module."""
 import pytest
-
 from {{ cookiecutter.package_name }}.my_module import hello
 
 
 def test_hello():
+    """Example using assert."""
     assert hello('nlesc') == 'Hello nlesc!'
 
 
 def test_hello_with_error():
+    """Example of testing for raised errors."""
     with pytest.raises(ValueError) as excinfo:
         hello('nobody')
     assert 'Can not say hello to nobody' in str(excinfo.value)
@@ -17,8 +17,10 @@ def test_hello_with_error():
 
 @pytest.fixture
 def some_name():
+    """Example fixture."""
     return 'Jane Smith'
 
 
 def test_hello_with_fixture(some_name):
+    """Example using a fixture."""
     assert hello(some_name) == 'Hello Jane Smith!'
diff --git a/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/__init__.py b/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/__init__.py
index 939ed008..4a72a364 100644
--- a/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/__init__.py
+++ b/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/__init__.py
@@ -1,7 +1,6 @@
-"""Documentation about {{ cookiecutter.package_name }}"""
+"""Documentation about {{ cookiecutter.package_name }}."""
 import logging
 
-
 logging.getLogger(__name__).addHandler(logging.NullHandler())
 
 __author__ = "{{ cookiecutter.full_name }}"
diff --git a/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/my_module.py b/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/my_module.py
index be0172d9..1ebf6f27 100644
--- a/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/my_module.py
+++ b/{{cookiecutter.directory_name}}/{{cookiecutter.package_name}}/my_module.py
@@ -3,7 +3,7 @@
 
 # FIXME: put actual code here
 def hello(name):
-    """Say hello
+    """Say hello.
 
     Function docstring using Google docstring style.