diff --git a/lib/pyproject.toml b/lib/pyproject.toml
new file mode 100644
index 0000000000..88d360fc1d
--- /dev/null
+++ b/lib/pyproject.toml
@@ -0,0 +1,20 @@
+[tool.ruff]
+
+# Assume Python 3.8
+target-version = "py38"
+
+# indentation details
+line-length = 96
+indent-width = 4
+
+[tool.ruff.format]
+# Enable auto-formatting of code examples in docstrings. Markdown,
+# reStructuredText code/literal blocks and doctests are all supported.
+docstring-code-format = true
+
+# Set the line length limit used when formatting code snippets in
+# docstrings.
+#
+# This only has an effect when the `docstring-code-format` setting is
+# enabled.
+docstring-code-line-length = "dynamic"