diff --git a/internal/benchmarks/benchmarks.go b/internal/benchmarks/benchmarks.go
index ce97edf1..d6ba8e90 100644
--- a/internal/benchmarks/benchmarks.go
+++ b/internal/benchmarks/benchmarks.go
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: Apache-2.0
+
 package benchmarks
 
 import (