diff --git a/cloud/lib/component/component.go b/cloud/lib/component/component.go
index 1acd961..46fa58a 100644
--- a/cloud/lib/component/component.go
+++ b/cloud/lib/component/component.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 // Package component implements reusable bits for cloud service components. Each
 // component is currently defined as being a standalone Go binary with its own
 // internal gRPC listener. Subsequent listeners (eg. public gRPC or HTTP) can be
diff --git a/cloud/lib/component/crdb.go b/cloud/lib/component/crdb.go
index 0bdbb4d..07306d1 100644
--- a/cloud/lib/component/crdb.go
+++ b/cloud/lib/component/crdb.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package component
 
 import (
diff --git a/cloud/lib/component/devcerts.go b/cloud/lib/component/devcerts.go
index 2a5f60a..837ad98 100644
--- a/cloud/lib/component/devcerts.go
+++ b/cloud/lib/component/devcerts.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package component
 
 import (
diff --git a/cloud/lib/sinbin/sinbin.go b/cloud/lib/sinbin/sinbin.go
index 7c6bf3c..b1c905b 100644
--- a/cloud/lib/sinbin/sinbin.go
+++ b/cloud/lib/sinbin/sinbin.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 // Package sinbin implements a sinbin for naughty processed elements that we wish
 // to time out for a while. This is kept in memory, and effectively implements a
 // simplified version of the Circuit Breaker pattern.
diff --git a/cloud/lib/sinbin/sinbin_test.go b/cloud/lib/sinbin/sinbin_test.go
index 7403bb1..715ac94 100644
--- a/cloud/lib/sinbin/sinbin_test.go
+++ b/cloud/lib/sinbin/sinbin_test.go
@@ -1,3 +1,6 @@
+// Copyright The Monogon Project Authors.
+// SPDX-License-Identifier: Apache-2.0
+
 package sinbin
 
 import (