diff --git a/build/sqlc/tool-dep/gomod-generated-placeholder.go b/build/sqlc/tool-dep/gomod-generated-placeholder.go
index 1f6e0f9..388d884 100644
--- a/build/sqlc/tool-dep/gomod-generated-placeholder.go
+++ b/build/sqlc/tool-dep/gomod-generated-placeholder.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 //go:build tools
 // +build tools