diff --git a/pyproject.toml b/pyproject.toml
index 8a283d8..cda57f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,5 +52,7 @@ reportMissingTypeStubs = false
 requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
-[tool.setuptools]
-packages = ["chatpdb", "chatpdb.chat", "chatpdb.parsing"]
+[tool.setuptools.packages.find]
+where = ["chatpdb"]
+include = ["*"]
+namespaces = false