--- math/fp448/BUILD.bazel
+++ math/fp448/BUILD.bazel
@@ -1,4 +1,4 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_source", "go_test")

 go_library(
     name = "fp448",
@@ -22,6 +22,14 @@
     }),
 )

+go_source(
+    name = "headers",
+    srcs = [
+        "fp_amd64.h",
+    ],
+    visibility = ["//visibility:public"],
+)
+
 alias(
     name = "go_default_library",
     actual = ":fp448",
