diff --git a/pyproject.toml b/pyproject.toml
index 6d2c0aaa8..d2a7df309 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -133,6 +133,9 @@ all = [
 # we do not include 'stfio' in 'all' as it is not pip installable
 
 
+[tool.setuptools.packages.find]
+include = ["neo*"]
+
 [tool.setuptools.package-data]
 neo = ["resources/*.json"]