diff --git a/BUILD b/BUILD
index 3638149..d73ff92 100644
--- a/BUILD
+++ b/BUILD
@@ -1,3 +1,15 @@
+package(default_visibility = ["//visibility:public"])
+
 licenses(["notice"])
 
 exports_files(["LICENSE"])
+
+filegroup(
+    name = "srcs",
+    srcs = [
+        "BUILD",
+        "WORKSPACE",
+        "//cpu:srcs",
+        "//os:srcs",
+    ],
+)