diff --git a/ruff/.config/ruff/pyproject.toml b/ruff/.config/ruff/pyproject.toml
new file mode 100644
index 0000000..8d38659
--- /dev/null
+++ b/ruff/.config/ruff/pyproject.toml
@@ -0,0 +1,6 @@
+[tool.ruff]
+
+select = ["E", "F", "I", "W", "Q"]
+
+# Never enforce `E501` (line length violations).
+ignore = ["E501"]