diff --git a/atapi/__init__.py b/atapi/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/atapi/atapi.py b/atapi/__main__.py
similarity index 100%
rename from atapi/atapi.py
rename to atapi/__main__.py
diff --git a/atapi/comp/__init__.py b/atapi/comp/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
index 43c410f..37f1bbc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,4 +20,7 @@ homepage = "https://street.yoga"
 documentation = "https://github.com/streetyoga/atapi/wiki/Documentation"
 repository = "https://github.com/streetyoga/atapi"
 
+[tool.setuptools]
+packages = ["atapi", "atapi.comp"]
+
 [tool.setuptools_scm]