diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1d506f7
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,18 @@
+[tool.black]
+line-length = 79
+include = '\.py?$'
+exclude = '''
+/(
+    \.git
+  | \.tox
+  | \.venv
+  | _build
+  | build
+  | dist
+  | tests
+  | lcl
+  | alembic
+
+)/
+'''
+