diff --git a/app/controllers/captcha_controller.rb b/app/controllers/captcha_controller.rb
index 79f84ea..428328d 100644
--- a/app/controllers/captcha_controller.rb
+++ b/app/controllers/captcha_controller.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 class CaptchaController < ApplicationController
   skip_before_action :authenticate_user!
 
diff --git a/app/services/libre_captcha.rb b/app/services/libre_captcha.rb
index 3d49e5a..d811437 100644
--- a/app/services/libre_captcha.rb
+++ b/app/services/libre_captcha.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 class LibreCaptcha
   def get_id
     HTTParty.post("http://libre-captcha:8888/v2/captcha", 
diff --git a/spec/requests/captcha_spec.rb b/spec/requests/captcha_spec.rb
index adac1a8..4cde63a 100644
--- a/spec/requests/captcha_spec.rb
+++ b/spec/requests/captcha_spec.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 require 'swagger_helper'
 
 RSpec.describe 'captcha', type: :request do