diff --git a/proto/swift_proto_utils.bzl b/proto/swift_proto_utils.bzl
index d459bd85d..df44a40bd 100644
--- a/proto/swift_proto_utils.bzl
+++ b/proto/swift_proto_utils.bzl
@@ -270,12 +270,12 @@ def compile_swift_protos_for_target(
     compile_result = swift_common.compile(
         actions = ctx.actions,
         cc_infos = get_providers(compiler_deps, CcInfo),
-        copts = ["-parse-as-library"],
+        copts = ["-parse-as-library"] + getattr(attr, "copts", []),
         feature_configuration = feature_configuration,
         include_dev_srch_paths = include_dev_srch_paths,
         module_name = module_name,
         objc_infos = get_providers(compiler_deps, apple_common.Objc),
-        package_name = None,
+        package_name = getattr(attr, "package_name", None),
         srcs = generated_swift_srcs,
         swift_toolchain = swift_toolchain,
         swift_infos = get_providers(compiler_deps, SwiftInfo),