diff --git a/ruff.toml b/ruff.toml
new file mode 100644
index 0000000..2a1ee18
--- /dev/null
+++ b/ruff.toml
@@ -0,0 +1,13 @@
+target-version = "py312"
+
+[lint]
+select = ["ALL"]
+ignore = [
+  "ANN",    # flake8-annotations (ANN)
+  "COM812", # missing-trailing-comma
+  "D",      # pydocstyle (D)
+  "RET504", # Unnecessary assignment to X before `return` statement
+]
+
+[lint.per-file-ignores]
+"tests/**" = ["S101"]  # assert is expected in tests
diff --git a/src/git_commit_guard/__init__.py b/src/git_commit_guard/__init__.py
index 4aa5c11..2219da6 100644
--- a/src/git_commit_guard/__init__.py
+++ b/src/git_commit_guard/__init__.py
@@ -1,13 +1,13 @@
 import re
 import subprocess
 import sys
+import tomllib
 from argparse import ArgumentParser
 from dataclasses import dataclass, field
 from enum import StrEnum
 from pathlib import Path
 
 import nltk
-import tomllib
 from nltk.corpus import wordnet
 
 TYPES = frozenset(
diff --git a/tests/test_git_commit_guard.py b/tests/test_git_commit_guard.py
index 1e6846d..80935d6 100644
--- a/tests/test_git_commit_guard.py
+++ b/tests/test_git_commit_guard.py
@@ -3,6 +3,7 @@
 from unittest.mock import MagicMock, patch
 
 import pytest
+
 from git_commit_guard import (
     Result,
     _download_if_missing,
@@ -21,8 +22,6 @@
     main,
 )
 
-# ruff: noqa: S101 # Use of `assert` detected
-
 
 @pytest.fixture(scope="session", autouse=True)
 def nltk_data():