diff --git a/cc/BUILD b/cc/BUILD
index 1038a03..145d2f9 100644
--- a/cc/BUILD
+++ b/cc/BUILD
@@ -1,4 +1,8 @@
+licenses(["notice"])  # Apache 2.0
+
 alias(
     name = "toolchain_type",
     actual = "@bazel_tools//tools/cpp:toolchain_type",
 )
+
+exports_files(["defs.bzl"])