diff --git a/spec/requests/guests_spec.rb b/spec/requests/guests_spec.rb
index 3cde46f..fedbce1 100644
--- a/spec/requests/guests_spec.rb
+++ b/spec/requests/guests_spec.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 require 'swagger_helper'
 
 RSpec.describe 'guests', type: :request do
diff --git a/spec/swagger_response_helper.rb b/spec/swagger_response_helper.rb
index 55e09f6..7db38fa 100644
--- a/spec/swagger_response_helper.rb
+++ b/spec/swagger_response_helper.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 module SwaggerResponseHelper
   def response_422
     response(422, 'Validation errors in input parameters') do