diff --git a/pyproject.toml b/pyproject.toml
index d85ffb6..d357057 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,6 +2,9 @@
 requires = ["setuptools", "setuptools-scm"]
 build-backend = "setuptools.build_meta"
 
+[tool.setuptools]
+packages = ["octosuite"]
+
 [project]
 name = "octosuite"
 version = "3.1.1"