diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 83c0ef0f0..0f8fa6770 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --auto-gen-only-exclude --no-exclude-limit --no-offense-counts --no-auto-gen-timestamp`
-# using RuboCop version 1.52.1.
+# using RuboCop version 1.54.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -28,7 +28,6 @@ Layout/ArgumentAlignment:
 # SupportedLastArgumentHashStyles: always_inspect, always_ignore, ignore_implicit, ignore_explicit
 Layout/HashAlignment:
   Exclude:
-    - 'config/boot.rb'
     - 'config/environments/production.rb'
     - 'config/initializers/rack_attack.rb'
     - 'config/routes.rb'
@@ -252,7 +251,6 @@ RSpec/HookArgument:
     - 'spec/serializers/activitypub/note_serializer_spec.rb'
     - 'spec/serializers/activitypub/update_poll_serializer_spec.rb'
     - 'spec/services/import_service_spec.rb'
-    - 'spec/spec_helper.rb'
 
 # Configuration parameters: AssignmentOnly.
 RSpec/InstanceVariable:
diff --git a/Gemfile.lock b/Gemfile.lock
index 990fe3f9b..7cd102c5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -379,6 +379,7 @@ GEM
       marcel (~> 1.0.1)
       mime-types
       terrapin (~> 0.6.0)
+    language_server-protocol (3.17.0.3)
     launchy (2.5.2)
       addressable (~> 2.8)
     letter_opener (1.8.1)
@@ -595,8 +596,9 @@ GEM
       sidekiq (>= 2.4.0)
     rspec-support (3.12.0)
     rspec_chunked (0.6)
-    rubocop (1.52.1)
+    rubocop (1.54.1)
       json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.2.2.3)
       rainbow (>= 2.2.2, < 4.0)
diff --git a/app/helpers/domain_control_helper.rb b/app/helpers/domain_control_helper.rb
index ffcf375ea..6fce7eb1f 100644
--- a/app/helpers/domain_control_helper.rb
+++ b/app/helpers/domain_control_helper.rb
@@ -2,7 +2,7 @@
 
 module DomainControlHelper
   def domain_not_allowed?(uri_or_domain)
-    return if uri_or_domain.blank?
+    return false if uri_or_domain.blank?
 
     domain = if uri_or_domain.include?('://')
                Addressable::URI.parse(uri_or_domain).host
diff --git a/app/lib/connection_pool/shared_connection_pool.rb b/app/lib/connection_pool/shared_connection_pool.rb
index 741529652..3ca22d0ef 100644
--- a/app/lib/connection_pool/shared_connection_pool.rb
+++ b/app/lib/connection_pool/shared_connection_pool.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'connection_pool'
-require_relative './shared_timed_stack'
+require_relative 'shared_timed_stack'
 
 class ConnectionPool::SharedConnectionPool < ConnectionPool
   def initialize(options = {}, &block)
diff --git a/app/lib/request_pool.rb b/app/lib/request_pool.rb
index 86c825498..82d9a71c9 100644
--- a/app/lib/request_pool.rb
+++ b/app/lib/request_pool.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative './connection_pool/shared_connection_pool'
+require_relative 'connection_pool/shared_connection_pool'
 
 class RequestPool
   def self.current