diff --git a/cloud/shepherd/provider/equinix/fakequinix_test.go b/cloud/shepherd/provider/equinix/fakequinix_test.go
index 62892cc..aa0b234 100644
--- a/cloud/shepherd/provider/equinix/fakequinix_test.go
+++ b/cloud/shepherd/provider/equinix/fakequinix_test.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/initializer_test.go b/cloud/shepherd/provider/equinix/initializer_test.go
index 767ee29..587b70a 100644
--- a/cloud/shepherd/provider/equinix/initializer_test.go
+++ b/cloud/shepherd/provider/equinix/initializer_test.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/main.go b/cloud/shepherd/provider/equinix/main.go
index b47c454..1322039 100644
--- a/cloud/shepherd/provider/equinix/main.go
+++ b/cloud/shepherd/provider/equinix/main.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/provider.go b/cloud/shepherd/provider/equinix/provider.go
index 1752349..16dedf0 100644
--- a/cloud/shepherd/provider/equinix/provider.go
+++ b/cloud/shepherd/provider/equinix/provider.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/provider_config.go b/cloud/shepherd/provider/equinix/provider_config.go
index b54488f..146b010 100644
--- a/cloud/shepherd/provider/equinix/provider_config.go
+++ b/cloud/shepherd/provider/equinix/provider_config.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/provisioner_test.go b/cloud/shepherd/provider/equinix/provisioner_test.go
index b57546a..6a5b0c6 100644
--- a/cloud/shepherd/provider/equinix/provisioner_test.go
+++ b/cloud/shepherd/provider/equinix/provisioner_test.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/recoverer_test.go b/cloud/shepherd/provider/equinix/recoverer_test.go
index 109c375..6d1447f 100644
--- a/cloud/shepherd/provider/equinix/recoverer_test.go
+++ b/cloud/shepherd/provider/equinix/recoverer_test.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/updater.go b/cloud/shepherd/provider/equinix/updater.go
index 15b218b..5b6e089 100644
--- a/cloud/shepherd/provider/equinix/updater.go
+++ b/cloud/shepherd/provider/equinix/updater.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (
diff --git a/cloud/shepherd/provider/equinix/updater_test.go b/cloud/shepherd/provider/equinix/updater_test.go
index e400690..ed3da7a 100644
--- a/cloud/shepherd/provider/equinix/updater_test.go
+++ b/cloud/shepherd/provider/equinix/updater_test.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package main
 
 import (