diff --git a/pyproject.toml b/pyproject.toml
index cdea8af..c8315c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,7 @@ build-backend = "maturin"
 requires = ["pyarrow~=16.1"]
 
 [tool.maturin]
+python-source = "python"
 module-name = "peppi_py._peppi"
 
 [pytest]
diff --git a/peppi_py/__init__.py b/python/peppi_py/__init__.py
similarity index 100%
rename from peppi_py/__init__.py
rename to python/peppi_py/__init__.py
diff --git a/peppi_py/frame.py b/python/peppi_py/frame.py
similarity index 100%
rename from peppi_py/frame.py
rename to python/peppi_py/frame.py
diff --git a/peppi_py/game.py b/python/peppi_py/game.py
similarity index 100%
rename from peppi_py/game.py
rename to python/peppi_py/game.py
diff --git a/peppi_py/parse.py b/python/peppi_py/parse.py
similarity index 100%
rename from peppi_py/parse.py
rename to python/peppi_py/parse.py
diff --git a/peppi_py/util.py b/python/peppi_py/util.py
similarity index 100%
rename from peppi_py/util.py
rename to python/peppi_py/util.py