diff --git a/.rubocop/style.yml b/.rubocop/style.yml
index 03e35a70ac..ee3ce39937 100644
--- a/.rubocop/style.yml
+++ b/.rubocop/style.yml
@@ -1,4 +1,7 @@
 ---
+Style/ArrayIntersect:
+  Enabled: false
+
 Style/ClassAndModuleChildren:
   Enabled: false
 
@@ -19,6 +22,12 @@ Style/HashSyntax:
   EnforcedShorthandSyntax: either
   EnforcedStyle: ruby19_no_mixed_keys
 
+Style/KeywordArgumentsMerging:
+  Enabled: false
+
+Style/MultipleComparison:
+  Enabled: false
+
 Style/NumericLiterals:
   AllowedPatterns:
     - \d{4}_\d{2}_\d{2}_\d{6}
@@ -37,6 +46,9 @@ Style/RedundantFetchBlock:
 Style/RescueStandardError:
   EnforcedStyle: implicit
 
+Style/SafeNavigationChainLength:
+  Enabled: false
+
 Style/SymbolArray:
   Enabled: false
 
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index a6e51d6aee..552054898e 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-offense-counts --no-auto-gen-timestamp`
-# using RuboCop version 1.66.1.
+# using RuboCop version 1.69.1.
 # 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
@@ -35,7 +35,6 @@ Rails/OutputSafety:
 # Configuration parameters: AllowedVars.
 Style/FetchEnvVar:
   Exclude:
-    - 'app/lib/translation_service.rb'
     - 'config/environments/production.rb'
     - 'config/initializers/2_limited_federation_mode.rb'
     - 'config/initializers/3_omniauth.rb'
diff --git a/Gemfile.lock b/Gemfile.lock
index ccc8270ccd..b0910b4d53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -327,7 +327,7 @@ GEM
       azure-blob (~> 0.5.2)
       hashie (~> 5.0)
     jmespath (1.6.2)
-    json (2.8.1)
+    json (2.9.0)
     json-canonicalization (1.0.0)
     json-jwt (1.15.3.1)
       activesupport (>= 4.2)
@@ -664,7 +664,7 @@ GEM
       redis (>= 4)
     redlock (1.3.2)
       redis (>= 3.0.0, < 6.0)
-    regexp_parser (2.9.2)
+    regexp_parser (2.9.3)
     reline (0.5.12)
       io-console (~> 0.5)
     request_store (1.6.0)
@@ -708,21 +708,21 @@ GEM
       rspec-mocks (~> 3.0)
       sidekiq (>= 5, < 8)
     rspec-support (3.13.1)
-    rubocop (1.66.1)
+    rubocop (1.69.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 2.4, < 3.0)
-      rubocop-ast (>= 1.32.2, < 2.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.36.2, < 2.0)
       ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.3)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.36.2)
       parser (>= 3.3.1.0)
     rubocop-capybara (2.21.0)
       rubocop (~> 1.41)
-    rubocop-performance (1.22.1)
+    rubocop-performance (1.23.0)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
     rubocop-rails (2.27.0)
diff --git a/app/lib/request.rb b/app/lib/request.rb
index a12e6e3747..3d2a0c0e31 100644
--- a/app/lib/request.rb
+++ b/app/lib/request.rb
@@ -261,7 +261,7 @@ class Request
         outer_e = nil
         port    = args.first
 
-        addresses = []
+        addresses = [] # rubocop:disable Lint/UselessAssignment # TODO: https://github.com/rubocop/rubocop/issues/13395
         begin
           addresses = [IPAddr.new(host)]
         rescue IPAddr::InvalidAddressError
diff --git a/app/validators/domain_validator.rb b/app/validators/domain_validator.rb
index 718fd190f1..f975dc8ff2 100644
--- a/app/validators/domain_validator.rb
+++ b/app/validators/domain_validator.rb
@@ -4,7 +4,7 @@ class DomainValidator < ActiveModel::EachValidator
   MAX_DOMAIN_LENGTH = 256
   MIN_LABEL_LENGTH = 1
   MAX_LABEL_LENGTH = 63
-  ALLOWED_CHARACTERS_RE = /^[a-z0-9\-]+$/i
+  ALLOWED_CHARACTERS_RE = /^[a-z0-9-]+$/i
 
   def validate_each(record, attribute, value)
     return if value.blank?
diff --git a/lib/mastodon/cli/progress_helper.rb b/lib/mastodon/cli/progress_helper.rb
index da9527ffd7..a0cfec69cf 100644
--- a/lib/mastodon/cli/progress_helper.rb
+++ b/lib/mastodon/cli/progress_helper.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-dev_null = Logger.new('/dev/null')
+dev_null = Logger.new(File::NULL)
 
 Rails.logger                 = dev_null
 ActiveRecord::Base.logger    = dev_null
diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index e1e2dd8194..692fe0a507 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -592,7 +592,7 @@ namespace :mastodon do
 end
 
 def disable_log_stdout!
-  dev_null = Logger.new('/dev/null')
+  dev_null = Logger.new(File::NULL)
 
   Rails.logger                 = dev_null
   ActiveRecord::Base.logger    = dev_null