diff --git a/vello_tests/tests/regression.rs b/vello_tests/tests/regression.rs
index 46451216..9b80e658 100644
--- a/vello_tests/tests/regression.rs
+++ b/vello_tests/tests/regression.rs
@@ -1,3 +1,6 @@
+// Copyright 2024 the Vello Authors
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
 use vello::{
     kurbo::{Affine, RoundedRect, Stroke},
     peniko::Color,