diff --git a/conformance/BUILD.bazel b/conformance/BUILD.bazel
index 5e0da1924a..80fde6ab17 100644
--- a/conformance/BUILD.bazel
+++ b/conformance/BUILD.bazel
@@ -1,3 +1,10 @@
+# Copyright (c) 2024, Google LLC
+# All rights reserved.
+#
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file or at
+# https://developers.google.com/open-source/licenses/bsd
+
 # Conformance testing for Protobuf.
 
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library", "objc_library")