diff --git a/python/pyproject.toml b/python/pyproject.toml
index f3f01b3..356ba2f 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -40,7 +40,7 @@ include = [
     "/saleae/grpc",
 ]
 
-[tool.hatch.build.force-include]
+[tool.hatch.build.targets.sdist.force-include]
 "../proto/saleae/grpc/saleae.proto" = "proto/saleae/grpc/saleae.proto"
 
 # The gRPC/protobuf files are only generated when building a wheel