diff --git a/Gemfile.lock b/Gemfile.lock
index 831d9a3..5a644e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -120,7 +120,7 @@ GEM
     jbuilder (2.13.0)
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    json (2.7.2)
+    json (2.7.5)
     jsonapi-deserializable (0.2.0)
     jsonapi-parser (0.1.1)
     jsonapi-rails (0.4.1)
@@ -172,7 +172,7 @@ GEM
     nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
     parallel (1.26.3)
-    parser (3.3.5.0)
+    parser (3.3.5.1)
       ast (~> 2.4.1)
       racc
     pg (1.5.9)
@@ -257,7 +257,7 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.1)
-    rubocop (1.67.0)
+    rubocop (1.68.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -267,7 +267,7 @@ GEM
       rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.3)
+    rubocop-ast (1.33.0)
       parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     rubytree (2.1.0)
diff --git a/spec/factories/expense.rb b/spec/factories/expense.rb
index f9bf6c3..9670768 100644
--- a/spec/factories/expense.rb
+++ b/spec/factories/expense.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 FactoryBot.define do
     factory :expense do
       sequence(:name) { |i| "Expense #{i}" }
diff --git a/spec/queries/expenses/total_query_spec.rb b/spec/queries/expenses/total_query_spec.rb
index 9e32716..46cffdf 100644
--- a/spec/queries/expenses/total_query_spec.rb
+++ b/spec/queries/expenses/total_query_spec.rb
@@ -1,3 +1,5 @@
+# Copyright (C) 2024 Manuel Bustillo
+
 require 'rails_helper'
 
 module Expenses