diff --git a/pyproject.toml b/pyproject.toml
index d6c3666dfa..46c819a037 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,6 +35,7 @@ urls = { repository = "https://github.com/charliermarsh/ruff" }
 
 [tool.maturin]
 bindings = "bin"
+python-source = "python"
 strip = true
 
 [tool.setuptools]
diff --git a/ruff/__init__.py b/python/ruff/__init__.py
similarity index 100%
rename from ruff/__init__.py
rename to python/ruff/__init__.py
diff --git a/ruff/__main__.py b/python/ruff/__main__.py
similarity index 100%
rename from ruff/__main__.py
rename to python/ruff/__main__.py