diff --git a/pyproject.toml b/pyproject.toml
index 99a07c1..ecd28b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,4 +21,7 @@ dlibrary = "dlibrary:main"
 
 [build-system]
 requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
\ No newline at end of file
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+packages = ["dlibrary"]
\ No newline at end of file