diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 09acb795bf..a6e51d6aee 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 1.65.0.
+# using RuboCop version 1.66.1.
 # 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/redis_configuration.rb'
     - 'app/lib/translation_service.rb'
     - 'config/environments/production.rb'
     - 'config/initializers/2_limited_federation_mode.rb'
@@ -44,7 +43,6 @@ Style/FetchEnvVar:
     - 'config/initializers/devise.rb'
     - 'config/initializers/paperclip.rb'
     - 'config/initializers/vapid.rb'
-    - 'lib/mastodon/redis_config.rb'
     - 'lib/tasks/repo.rake'
 
 # This cop supports safe autocorrection (--autocorrect).
@@ -93,7 +91,6 @@ Style/OptionalBooleanParameter:
     - 'app/services/fetch_resource_service.rb'
     - 'app/workers/domain_block_worker.rb'
     - 'app/workers/unfollow_follow_worker.rb'
-    - 'lib/mastodon/redis_config.rb'
 
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: EnforcedStyle.
diff --git a/Gemfile.lock b/Gemfile.lock
index a533b66241..c70823d051 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -584,7 +584,7 @@ GEM
     ostruct (0.6.0)
     ox (2.14.18)
     parallel (1.26.3)
-    parser (3.3.4.2)
+    parser (3.3.5.0)
       ast (~> 2.4.1)
       racc
     parslet (2.0.0)
@@ -698,8 +698,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.7)
     rotp (6.3.0)
     rouge (4.3.0)
     rpam2 (4.0.2)
@@ -735,18 +734,17 @@ GEM
       rspec-mocks (~> 3.0)
       sidekiq (>= 5, < 8)
     rspec-support (3.13.1)
-    rubocop (1.65.1)
+    rubocop (1.66.1)
       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)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.1)
+    rubocop-ast (1.32.3)
       parser (>= 3.3.1.0)
     rubocop-capybara (2.21.0)
       rubocop (~> 1.41)
@@ -826,7 +824,6 @@ GEM
     stringio (3.1.1)
     strong_migrations (2.0.0)
       activerecord (>= 6.1)
-    strscan (3.1.0)
     swd (1.3.0)
       activesupport (>= 3)
       attr_required (>= 0.0.5)