diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ca1e596
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,38 @@
+[tool.ruff]
+
+select = ["A", "ANN", "B", "C90", "D", "E", "F", "I", "N", "COM", "DTZ", "PD", "RUF", "TID", "UP", "W"]
+ignore = ["D203", "D212"]
+
+fixable = ["I", "RUF100"]
+unfixable = []
+
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".hg",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "venv",
+]
+
+line-length = 120
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+target-version = "py311"