diff --git a/db/migrate/20241103075705_solid_queue_install.rb b/db/migrate/20241103075705_solid_queue_install.rb
index 4dfb4d0..3a0b744 100644
--- a/db/migrate/20241103075705_solid_queue_install.rb
+++ b/db/migrate/20241103075705_solid_queue_install.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 class SolidQueueInstall < ActiveRecord::Migration[7.2]
   def change
     create_table 'solid_queue_blocked_executions', force: :cascade do |t|
diff --git a/db/queue_schema.rb b/db/queue_schema.rb
index 0cc657e..24748f4 100644
--- a/db/queue_schema.rb
+++ b/db/queue_schema.rb
@@ -1,2 +1,4 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 ActiveRecord::Schema[7.1].define(version: 1) do
   end
diff --git a/db/schema.rb b/db/schema.rb
index c62ad16..c4f1c20 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 # This file is auto-generated from the current state of the database. Instead
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.