diff --git a/pyproject.toml b/pyproject.toml
index a6c5569..f35b494 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,5 +66,8 @@ include = [
 [tool.hatch.metadata]
 allow-direct-references = true
 
+[tool.hatch.build.targets.sdist]
+include = ["bento"]
+
 [tool.hatch.build.targets.wheel]
 packages = ["bento"]