diff --git a/cmd/flux/debug_helmrelease_test.go b/cmd/flux/debug_helmrelease_test.go
index cb65df41..a9de9344 100644
--- a/cmd/flux/debug_helmrelease_test.go
+++ b/cmd/flux/debug_helmrelease_test.go
@@ -1,6 +1,22 @@
 //go:build unit
 // +build unit
 
+/*
+Copyright 2024 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package main
 
 import (
diff --git a/cmd/flux/export_test.go b/cmd/flux/export_test.go
index 5488305b..2329b922 100644
--- a/cmd/flux/export_test.go
+++ b/cmd/flux/export_test.go
@@ -1,6 +1,22 @@
 //go:build unit
 // +build unit
 
+/*
+Copyright 2024 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package main
 
 import (
diff --git a/cmd/flux/trace_test.go b/cmd/flux/trace_test.go
index a4126a4a..0f11f6da 100644
--- a/cmd/flux/trace_test.go
+++ b/cmd/flux/trace_test.go
@@ -1,6 +1,22 @@
 //go:build unit
 // +build unit
 
+/*
+Copyright 2024 The Flux authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package main
 
 import (