diff --git a/Gemfile.lock b/Gemfile.lock
index 23ad67d..4c42077 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,11 +1,30 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    activesupport (7.1.3.2)
+      base64
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      mutex_m
+      tzinfo (~> 2.0)
     ast (2.4.2)
+    base64 (0.2.0)
+    bigdecimal (3.1.6)
+    concurrent-ruby (1.2.3)
+    connection_pool (2.4.1)
+    drb (2.2.1)
+    i18n (1.14.1)
+      concurrent-ruby (~> 1.0)
     json (2.7.1)
     language_server-protocol (3.17.0.3)
+    minitest (5.22.2)
+    mutex_m (0.2.0)
     parallel (1.24.0)
-    parser (3.3.0.3)
+    parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
     prettier_print (1.2.1)
@@ -13,33 +32,38 @@ GEM
     rainbow (3.1.1)
     regexp_parser (2.9.0)
     rexml (3.2.6)
-    rubocop (1.59.0)
+    rubocop (1.61.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.4)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
       rubocop-ast (>= 1.30.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.30.0)
-      parser (>= 3.2.1.0)
+    rubocop-ast (1.31.1)
+      parser (>= 3.3.0.4)
     rubocop-capybara (2.20.0)
       rubocop (~> 1.41)
-    rubocop-discourse (3.6.0)
+    rubocop-discourse (3.7.1)
+      activesupport (>= 6.1)
       rubocop (>= 1.59.0)
+      rubocop-capybara (>= 2.0.0)
+      rubocop-factory_bot (>= 2.0.0)
       rubocop-rspec (>= 2.25.0)
     rubocop-factory_bot (2.25.1)
       rubocop (~> 1.41)
-    rubocop-rspec (2.26.1)
+    rubocop-rspec (2.27.1)
       rubocop (~> 1.40)
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
     ruby-progressbar (1.13.0)
     syntax_tree (6.2.0)
       prettier_print (>= 1.2.0)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     unicode-display_width (2.5.0)
 
 PLATFORMS
diff --git a/app/controllers/adstxt_controller.rb b/app/controllers/adstxt_controller.rb
new file mode 100644
index 0000000..3297867
--- /dev/null
+++ b/app/controllers/adstxt_controller.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+#
+class AdstxtController < ::ApplicationController
+  requires_plugin AdPlugin.plugin_name
+
+  skip_before_action :preload_json, :check_xhr, :redirect_to_login_if_required
+
+  def index
+    raise Discourse::NotFound unless SiteSetting.ads_txt.present?
+
+    render plain: SiteSetting.ads_txt
+  end
+end
diff --git a/plugin.rb b/plugin.rb
index 08c2204..4f2f41d 100755
--- a/plugin.rb
+++ b/plugin.rb
@@ -32,12 +32,12 @@ module ::AdPlugin
 end
 
 after_initialize do
-  require_dependency File.expand_path("../app/models/house_ad", __FILE__)
-  require_dependency File.expand_path("../app/models/house_ad_setting", __FILE__)
-  require_dependency File.expand_path("../app/controllers/house_ads_controller", __FILE__)
-  require_dependency File.expand_path("../app/controllers/house_ad_settings_controller", __FILE__)
-  require_dependency File.expand_path("../lib/adplugin/guardian_extensions", __FILE__)
-  require_dependency "application_controller"
+  require_relative "app/models/house_ad"
+  require_relative "app/models/house_ad_setting"
+  require_relative "app/controllers/house_ads_controller"
+  require_relative "app/controllers/house_ad_settings_controller"
+  require_relative "app/controllers/adstxt_controller"
+  require_relative "lib/adplugin/guardian_extensions"
 
   reloadable_patch { Guardian.prepend ::AdPlugin::GuardianExtensions }
 
@@ -75,16 +75,6 @@ after_initialize do
     scope.show_to_groups?
   end
 
-  class ::AdstxtController < ::ApplicationController
-    skip_before_action :preload_json, :check_xhr, :redirect_to_login_if_required
-
-    def index
-      raise Discourse::NotFound unless SiteSetting.ads_txt.present?
-
-      render plain: SiteSetting.ads_txt
-    end
-  end
-
   class AdPlugin::Engine < ::Rails::Engine
     engine_name "adplugin"
     isolate_namespace AdPlugin
diff --git a/spec/requests/site_controller_spec.rb b/spec/requests/site_controller_spec.rb
index f618d71..b565b5a 100644
--- a/spec/requests/site_controller_spec.rb
+++ b/spec/requests/site_controller_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 RSpec.describe SiteController do
-  fab!(:user) { Fabricate(:user) }
+  fab!(:user)
 
   let!(:anon_ad) do
     AdPlugin::HouseAd.create(
diff --git a/spec/serializer/current_user_serializer_spec.rb b/spec/serializer/current_user_serializer_spec.rb
index 9439653..53ac5b5 100644
--- a/spec/serializer/current_user_serializer_spec.rb
+++ b/spec/serializer/current_user_serializer_spec.rb
@@ -4,7 +4,7 @@ RSpec.describe CurrentUserSerializer do
   fab!(:tl0_user) { Fabricate(:user, trust_level: 0, refresh_auto_groups: true) }
   fab!(:tl2_user) { Fabricate(:user, trust_level: 2, refresh_auto_groups: true) }
   fab!(:tl3_user) { Fabricate(:user, trust_level: 3, refresh_auto_groups: true) }
-  fab!(:admin) { Fabricate(:admin) }
+  fab!(:admin)
 
   let(:tl0_serializer) { described_class.new(tl0_user, scope: Guardian.new(tl0_user), root: false) }
 
diff --git a/spec/system/admin_house_ad_spec.rb b/spec/system/admin_house_ad_spec.rb
index 4491072..8f22e64 100644
--- a/spec/system/admin_house_ad_spec.rb
+++ b/spec/system/admin_house_ad_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 describe "Admin House Ad", type: :system, js: true do
-  fab!(:admin) { Fabricate(:admin) }
+  fab!(:admin)
   let(:house_ad) do
     AdPlugin::HouseAd.create(
       name: "some-name",