diff --git a/python-example-noncontainer-artifacts/pyproject.toml b/python-example-noncontainer-artifacts/pyproject.toml
index 399dc15f..0343b0ca 100644
--- a/python-example-noncontainer-artifacts/pyproject.toml
+++ b/python-example-noncontainer-artifacts/pyproject.toml
@@ -24,3 +24,6 @@ classifiers = [
 [project.urls]
 "Homepage" = "https://github.com/GoogleCloudPlatform/cloud-build-samples"
 "Bug Tracker" = "https://github.com/GoogleCloudPlatform/cloud-build-samples/issues"
+
+[tool.hatch.build.targets.wheel]
+force-include = { "src/main.py" = "main.py" }