diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index ea45cf4..655a4ee 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -14,10 +14,10 @@ jobs:
       - name: Install RuboCop
         run: |
           gem install bundler --no-document
-          gem install rubocop -v 1.78.0 --no-document
-          gem install rubocop-packaging -v 0.5.2 --no-document
+          gem install rubocop -v 1.85.1 --no-document
+          gem install rubocop-packaging -v 0.6 --no-document
           gem install rubocop-rails -v 2.32.0 --no-document
-          gem install rubocop-rspec -v 3.2.0 --no-document
-          gem install rubocop-rspec_rails -v 2.30.0 --no-document
+          gem install rubocop-rspec -v 3.9 --no-document
+          gem install rubocop-rspec_rails -v 2.32 --no-document
       - name: RuboCop
         run: rubocop
diff --git a/.rubocop.yml b/.rubocop.yml
index 1c3f83f..9a38ed5 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,4 +1,4 @@
-require: 
+plugins:
   - rubocop-packaging
   - rubocop-rails
   - rubocop-rspec
@@ -7,27 +7,27 @@ require:
 AllCops:
   TargetRubyVersion: 3.2
   Exclude:
-    - 'filterameter.gemspec'
-    - 'gemfiles/*.gemfile'
-    - 'Rakefile'
-    - 'spec/dummy/bin/**/*'
-    - 'spec/dummy/db/schema.rb'
-    - 'spec/dummy/config.ru'
-    - 'spec/dummy/config/**/*'
+    - "filterameter.gemspec"
+    - "gemfiles/*.gemfile"
+    - "Rakefile"
+    - "spec/dummy/bin/**/*"
+    - "spec/dummy/db/schema.rb"
+    - "spec/dummy/config.ru"
+    - "spec/dummy/config/**/*"
   NewCops: enable
 Metrics/BlockLength:
   Exclude:
-    - 'spec/**/*'
-    - 'Guardfile'
+    - "spec/**/*"
+    - "Guardfile"
   AllowedMethods:
-    - 'class_methods'
+    - "class_methods"
 Layout/LineLength:
   Max: 120
 Style/FrozenStringLiteralComment:
   Exclude:
-    - 'spec/dummy/db/**/*'
+    - "spec/dummy/db/**/*"
 Style/HashSyntax:
   EnforcedShorthandSyntax: either
 RSpec/MultipleExpectations:
   Exclude:
-    - 'spec/requests/*'
+    - "spec/requests/*"
diff --git a/Gemfile.lock b/Gemfile.lock
index b59ce96..a9e60f2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,29 +7,31 @@ PATH
 GEM
   remote: https://gem.coop/
   specs:
-    actioncable (8.0.3)
-      actionpack (= 8.0.3)
-      activesupport (= 8.0.3)
+    action_text-trix (2.1.16)
+      railties
+    actioncable (8.1.2)
+      actionpack (= 8.1.2)
+      activesupport (= 8.1.2)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (8.0.3)
-      actionpack (= 8.0.3)
-      activejob (= 8.0.3)
-      activerecord (= 8.0.3)
-      activestorage (= 8.0.3)
-      activesupport (= 8.0.3)
+    actionmailbox (8.1.2)
+      actionpack (= 8.1.2)
+      activejob (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       mail (>= 2.8.0)
-    actionmailer (8.0.3)
-      actionpack (= 8.0.3)
-      actionview (= 8.0.3)
-      activejob (= 8.0.3)
-      activesupport (= 8.0.3)
+    actionmailer (8.1.2)
+      actionpack (= 8.1.2)
+      actionview (= 8.1.2)
+      activejob (= 8.1.2)
+      activesupport (= 8.1.2)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (8.0.3)
-      actionview (= 8.0.3)
-      activesupport (= 8.0.3)
+    actionpack (8.1.2)
+      actionview (= 8.1.2)
+      activesupport (= 8.1.2)
       nokogiri (>= 1.8.5)
       rack (>= 2.2.4)
       rack-session (>= 1.0.1)
@@ -37,91 +39,102 @@ GEM
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (8.0.3)
-      actionpack (= 8.0.3)
-      activerecord (= 8.0.3)
-      activestorage (= 8.0.3)
-      activesupport (= 8.0.3)
+    actiontext (8.1.2)
+      action_text-trix (~> 2.1.15)
+      actionpack (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (8.0.3)
-      activesupport (= 8.0.3)
+    actionview (8.1.2)
+      activesupport (= 8.1.2)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (8.0.3)
-      activesupport (= 8.0.3)
+    activejob (8.1.2)
+      activesupport (= 8.1.2)
       globalid (>= 0.3.6)
-    activemodel (8.0.3)
-      activesupport (= 8.0.3)
-    activerecord (8.0.3)
-      activemodel (= 8.0.3)
-      activesupport (= 8.0.3)
+    activemodel (8.1.2)
+      activesupport (= 8.1.2)
+    activerecord (8.1.2)
+      activemodel (= 8.1.2)
+      activesupport (= 8.1.2)
       timeout (>= 0.4.0)
-    activestorage (8.0.3)
-      actionpack (= 8.0.3)
-      activejob (= 8.0.3)
-      activerecord (= 8.0.3)
-      activesupport (= 8.0.3)
+    activestorage (8.1.2)
+      actionpack (= 8.1.2)
+      activejob (= 8.1.2)
+      activerecord (= 8.1.2)
+      activesupport (= 8.1.2)
       marcel (~> 1.0)
-    activesupport (8.0.3)
+    activesupport (8.1.2)
       base64
-      benchmark (>= 0.3)
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      json
       logger (>= 1.4.2)
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
+    addressable (2.8.9)
+      public_suffix (>= 2.0.2, < 8.0)
     appraisal (2.5.0)
       bundler
       rake
       thor (>= 0.14.0)
     ast (2.4.3)
     base64 (0.3.0)
-    benchmark (0.4.1)
-    bigdecimal (3.3.1)
+    bigdecimal (4.0.1)
     builder (3.3.0)
-    concurrent-ruby (1.3.5)
-    connection_pool (2.5.4)
+    concurrent-ruby (1.3.6)
+    connection_pool (3.0.2)
     crass (1.0.6)
-    date (3.4.1)
+    date (3.5.1)
     diff-lcs (1.6.2)
     docile (1.4.1)
     drb (2.2.3)
-    erb (5.1.1)
+    erb (6.0.2)
     erubi (1.13.1)
     globalid (1.3.0)
       activesupport (>= 6.1)
-    i18n (1.14.7)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    io-console (0.8.1)
-    irb (1.15.2)
+    io-console (0.8.2)
+    irb (1.17.0)
       pp (>= 0.6.0)
+      prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.15.1)
+    json (2.19.0)
+    json-schema (6.2.0)
+      addressable (~> 2.8)
+      bigdecimal (>= 3.1, < 5)
     language_server-protocol (3.17.0.5)
     lint_roller (1.1.0)
     logger (1.7.0)
-    loofah (2.24.1)
+    loofah (2.25.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.8.1)
+    mail (2.9.0)
+      logger
       mini_mime (>= 0.1.1)
       net-imap
       net-pop
       net-smtp
     marcel (1.1.0)
+    mcp (0.8.0)
+      json-schema (>= 4.1)
     mini_mime (1.1.5)
     mini_portile2 (2.8.9)
-    minitest (5.26.0)
-    net-imap (0.5.12)
+    minitest (6.0.2)
+      drb (~> 2.0)
+      prism (~> 1.5)
+    net-imap (0.6.3)
       date
       net-protocol
     net-pop (0.1.2)
@@ -130,12 +143,14 @@ GEM
       timeout
     net-smtp (0.5.1)
       net-protocol
-    nio4r (2.7.4)
+    nio4r (2.7.5)
     nokogiri (1.19.1)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    nokogiri (1.19.1-arm64-darwin)
+      racc (~> 1.4)
     parallel (1.27.0)
-    parser (3.3.9.0)
+    parser (3.3.10.2)
       ast (~> 2.4.1)
       racc
     pg (1.6.3)
@@ -143,10 +158,11 @@ GEM
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
-    prism (1.6.0)
-    psych (5.2.6)
+    prism (1.9.0)
+    psych (5.3.1)
       date
       stringio
+    public_suffix (7.0.5)
     racc (1.8.1)
     rack (3.2.5)
     rack-session (2.1.1)
@@ -154,32 +170,32 @@ GEM
       rack (>= 3.0.0)
     rack-test (2.2.0)
       rack (>= 1.3)
-    rackup (2.2.1)
+    rackup (2.3.1)
       rack (>= 3)
-    rails (8.0.3)
-      actioncable (= 8.0.3)
-      actionmailbox (= 8.0.3)
-      actionmailer (= 8.0.3)
-      actionpack (= 8.0.3)
-      actiontext (= 8.0.3)
-      actionview (= 8.0.3)
-      activejob (= 8.0.3)
-      activemodel (= 8.0.3)
-      activerecord (= 8.0.3)
-      activestorage (= 8.0.3)
-      activesupport (= 8.0.3)
+    rails (8.1.2)
+      actioncable (= 8.1.2)
+      actionmailbox (= 8.1.2)
+      actionmailer (= 8.1.2)
+      actionpack (= 8.1.2)
+      actiontext (= 8.1.2)
+      actionview (= 8.1.2)
+      activejob (= 8.1.2)
+      activemodel (= 8.1.2)
+      activerecord (= 8.1.2)
+      activestorage (= 8.1.2)
+      activesupport (= 8.1.2)
       bundler (>= 1.15.0)
-      railties (= 8.0.3)
+      railties (= 8.1.2)
     rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.2)
-      loofah (~> 2.21)
+    rails-html-sanitizer (1.7.0)
+      loofah (~> 2.25)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
-    railties (8.0.3)
-      actionpack (= 8.0.3)
-      activesupport (= 8.0.3)
+    railties (8.1.2)
+      actionpack (= 8.1.2)
+      activesupport (= 8.1.2)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -187,20 +203,20 @@ GEM
       tsort (>= 0.2)
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
-    rake (13.3.0)
-    rdoc (6.15.0)
+    rake (13.3.1)
+    rdoc (7.2.0)
       erb
       psych (>= 4.0.0)
       tsort
     regexp_parser (2.11.3)
-    reline (0.6.2)
+    reline (0.6.3)
       io-console (~> 0.5)
     rspec-core (3.13.6)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.5)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
-    rspec-mocks (3.13.6)
+    rspec-mocks (3.13.8)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-rails (7.1.1)
@@ -211,34 +227,38 @@ GEM
       rspec-expectations (~> 3.13)
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
-    rspec-support (3.13.6)
-    rubocop (1.81.1)
+    rspec-support (3.13.7)
+    rubocop (1.85.1)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
+      mcp (~> 0.6)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.47.1, < 2.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.47.1)
+    rubocop-ast (1.49.0)
       parser (>= 3.3.7.2)
-      prism (~> 1.4)
-    rubocop-packaging (0.5.2)
-      rubocop (>= 1.33, < 2.0)
-    rubocop-rails (2.33.4)
+      prism (~> 1.7)
+    rubocop-packaging (0.6.0)
+      lint_roller (~> 1.1.0)
+      rubocop (>= 1.72.1, < 2.0)
+    rubocop-rails (2.34.3)
       activesupport (>= 4.2.0)
       lint_roller (~> 1.1)
       rack (>= 1.1)
       rubocop (>= 1.75.0, < 2.0)
       rubocop-ast (>= 1.44.0, < 2.0)
-    rubocop-rspec (3.2.0)
-      rubocop (~> 1.61)
-    rubocop-rspec_rails (2.30.0)
-      rubocop (~> 1.61)
-      rubocop-rspec (~> 3, >= 3.0.1)
+    rubocop-rspec (3.9.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.81)
+    rubocop-rspec_rails (2.32.0)
+      lint_roller (~> 1.1)
+      rubocop (~> 1.72, >= 1.72.1)
+      rubocop-rspec (~> 3.5)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     simplecov (0.22.0)
@@ -250,22 +270,22 @@ GEM
     sqlite3 (2.9.1)
       mini_portile2 (~> 2.8.0)
     sqlite3 (2.9.1-arm64-darwin)
-    stringio (3.1.7)
-    thor (1.4.0)
-    timeout (0.4.3)
+    stringio (3.2.0)
+    thor (1.5.0)
+    timeout (0.6.0)
     tsort (0.2.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
-    unicode-emoji (4.1.0)
-    uri (1.0.4)
+    unicode-emoji (4.2.0)
+    uri (1.1.1)
     useragent (0.16.11)
     websocket-driver (0.8.0)
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.7.3)
+    zeitwerk (2.7.5)
 
 PLATFORMS
   arm64-darwin-24
@@ -277,10 +297,10 @@ DEPENDENCIES
   pg (~> 1.6.3)
   rspec-rails (~> 7.0)
   rubocop (~> 1.64)
-  rubocop-packaging (~> 0.5.2)
+  rubocop-packaging (~> 0.6)
   rubocop-rails (~> 2.25)
-  rubocop-rspec (~> 3.2.0)
-  rubocop-rspec_rails (~> 2.30.0)
+  rubocop-rspec (~> 3.9)
+  rubocop-rspec_rails (~> 2.32)
   simplecov (~> 0.18)
   sqlite3 (~> 2.9.1)
 
diff --git a/filterameter.gemspec b/filterameter.gemspec
index 8dbd553..dc06761 100644
--- a/filterameter.gemspec
+++ b/filterameter.gemspec
@@ -22,9 +22,9 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "appraisal", "~> 2.5.0"
   spec.add_development_dependency "rspec-rails", "~> 7.0"
   spec.add_development_dependency "rubocop", "~> 1.64"
-  spec.add_development_dependency "rubocop-packaging", "~> 0.5.2"
+  spec.add_development_dependency "rubocop-packaging", "~> 0.6"
   spec.add_development_dependency "rubocop-rails", "~> 2.25"
-  spec.add_development_dependency "rubocop-rspec", "~> 3.2.0"
-  spec.add_development_dependency "rubocop-rspec_rails", "~> 2.30.0"
+  spec.add_development_dependency "rubocop-rspec", "~> 3.9"
+  spec.add_development_dependency "rubocop-rspec_rails", "~> 2.32"
   spec.add_development_dependency "simplecov", "~> 0.18"
 end
diff --git a/spec/dummy/config/application.rb b/spec/dummy/config/application.rb
index b0c5e82..c49ecca 100644
--- a/spec/dummy/config/application.rb
+++ b/spec/dummy/config/application.rb
@@ -18,7 +18,7 @@
 module Dummy
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 5.2
+    config.load_defaults 7.2
 
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration can go into files in config/initializers
@@ -31,4 +31,3 @@ class Application < Rails::Application
     config.api_only = true
   end
 end
-
diff --git a/spec/filterameter/parameters_base_spec.rb b/spec/filterameter/parameters_base_spec.rb
index 342e1a8..cbf1978 100644
--- a/spec/filterameter/parameters_base_spec.rb
+++ b/spec/filterameter/parameters_base_spec.rb
@@ -5,7 +5,7 @@
 RSpec.describe Filterameter::ParametersBase do
   let(:parameters) do
     Class.new(described_class).tap do |pc|
-      pc.add_validation(:size, [inclusion: { in: %w[Small Medium Large] }])
+      pc.add_validation(:size, [{ inclusion: { in: %w[Small Medium Large] } }])
       pc.add_validation(:percent_reduced, [{ numericality: { greater_than: 0 } },
                                            { numericality: { less_than: 100 } }])
     end.new({})
diff --git a/spec/fixtures/activity_members.yml b/spec/fixtures/activity_members.yml
index 7a0d463..f332aee 100644
--- a/spec/fixtures/activity_members.yml
+++ b/spec/fixtures/activity_members.yml
@@ -5,16 +5,15 @@ breakfast_toast:
 breakfast_juice:
   activity: good_breakfast
   user: juice_guy
-  
+
 breakfast_chef:
   activity: good_breakfast
   user: egg_chef
 
-
 exercise_steph:
-  activity: lace_up_running_shoes
-  user: step
+  activity: go_for_a_run
+  user: steph
 
 exercise_klay:
-  activity: lace_up_running_shoes
+  activity: go_for_a_run
   user: klay
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index c06628e..aad4e22 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -11,12 +11,14 @@
 begin
   ActiveRecord::Migration.maintain_test_schema!
 rescue ActiveRecord::PendingMigrationError => e
-  puts e.to_s.strip
+  puts e.to_s.strip # rubocop:disable RSpec/Output
   exit 1
 end
 
 RSpec.configure do |config|
   config.fixture_path = 'spec/fixtures'
+  config.use_transactional_fixtures = true
+  config.global_fixtures = :all
   config.infer_spec_type_from_file_location!
   config.filter_rails_from_backtrace!
 end
diff --git a/spec/requests/attribute_filters_spec.rb b/spec/requests/attribute_filters_spec.rb
index df66f86..9634c0b 100644
--- a/spec/requests/attribute_filters_spec.rb
+++ b/spec/requests/attribute_filters_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Attribute filters' do
-  fixtures :activities, :users, :tasks
-
   context 'with no options' do
     before { get '/activities', params: { filter: { activity_manager_id: users(:joe_jackson).id } } }
 
@@ -39,7 +37,6 @@
   end
 
   context 'with validations' do
-    fixtures :projects
     before { get '/projects', params: { filter: { priority: 'high' } } }
 
     it 'returns the correct number of rows' do
@@ -54,8 +51,6 @@
   end
 
   context 'with validations and invalid value' do
-    fixtures :projects
-
     it 'raises validation error' do
       expect { get '/projects', params: { filter: { priority: 'top' } } }
         .to raise_exception(Filterameter::Exceptions::ValidationError)
diff --git a/spec/requests/attribute_sorts_spec.rb b/spec/requests/attribute_sorts_spec.rb
index ffa1ffe..6d7de38 100644
--- a/spec/requests/attribute_sorts_spec.rb
+++ b/spec/requests/attribute_sorts_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Attribute sorts' do
-  fixtures :projects, :activities, :users, :tasks
-
   context 'with filter declaration' do
     before { get '/activities', params: { filter: { sort: :activity_manager_id } } }
 
diff --git a/spec/requests/controller_overrides_spec.rb b/spec/requests/controller_overrides_spec.rb
index 8d7b654..8b482c3 100644
--- a/spec/requests/controller_overrides_spec.rb
+++ b/spec/requests/controller_overrides_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Controller overrides' do
-  fixtures :projects, :activities
-
   context 'with nested key overridden' do
     before { get '/legacy_projects', params: { criteria: { priority: 'high' } } }
 
@@ -34,8 +32,6 @@
   end
 
   context 'with filter_parameters overridden' do
-    fixtures :tasks
-
     before { get '/active_tasks', params: { filter: { activity_id: activities(:good_breakfast).id } } }
 
     it 'returns the correct number of rows' do
diff --git a/spec/requests/default_sorts_spec.rb b/spec/requests/default_sorts_spec.rb
index fb1b722..7e0269f 100644
--- a/spec/requests/default_sorts_spec.rb
+++ b/spec/requests/default_sorts_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Default sorts' do
-  fixtures :projects, :activities
-
   context 'with no default specified' do
     before { get '/projects' }
 
diff --git a/spec/requests/filter_key_configuration_spec.rb b/spec/requests/filter_key_configuration_spec.rb
index 00fcf46..d6a803e 100644
--- a/spec/requests/filter_key_configuration_spec.rb
+++ b/spec/requests/filter_key_configuration_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Filter Key configuration' do
-  fixtures :activities
-
   before { allow(Filterameter).to receive(:configuration).and_return(custom_config) }
 
   context 'with key overriden to f' do
diff --git a/spec/requests/multi_level_nested_attribute_filters_spec.rb b/spec/requests/multi_level_nested_attribute_filters_spec.rb
index b7b799b..91768f7 100644
--- a/spec/requests/multi_level_nested_attribute_filters_spec.rb
+++ b/spec/requests/multi_level_nested_attribute_filters_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Multi-level nested attribute filters' do
-  fixtures :projects, :activities, :tasks, :users, :activity_members
-
   context 'with singular-to-singular association' do
     before { get '/tasks', params: { filter: { project_priority: 'high' } } }
 
diff --git a/spec/requests/multi_level_nested_scope_filters_spec.rb b/spec/requests/multi_level_nested_scope_filters_spec.rb
index 42831b7..83b2eaf 100644
--- a/spec/requests/multi_level_nested_scope_filters_spec.rb
+++ b/spec/requests/multi_level_nested_scope_filters_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Nested scope filters' do
-  fixtures :projects, :activities, :tasks, :users, :activity_members
-
   context 'with singular-to-singular association' do
     before { get '/tasks', params: { filter: { low_priority_projects: 'low' } } }
 
diff --git a/spec/requests/nested_filters_spec.rb b/spec/requests/nested_filters_spec.rb
index b461e7f..f407a9f 100644
--- a/spec/requests/nested_filters_spec.rb
+++ b/spec/requests/nested_filters_spec.rb
@@ -4,8 +4,6 @@
 
 RSpec.describe 'Nested filters' do
   describe 'attribute filters' do
-    fixtures :projects, :activities, :tasks
-
     context 'with singular association' do
       before { get '/activities', params: { filter: { project_priority: 'high' } } }
 
@@ -36,8 +34,6 @@
   end
 
   describe 'scope filters' do
-    fixtures :projects, :activities, :tasks
-
     context 'with singular association' do
       before { get '/activities', params: { filter: { high_priority: 'true' } } }
 
diff --git a/spec/requests/partial_filters_spec.rb b/spec/requests/partial_filters_spec.rb
index 623707c..627b6e2 100644
--- a/spec/requests/partial_filters_spec.rb
+++ b/spec/requests/partial_filters_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Partial filters' do
-  fixtures :tasks
-
   context 'with defaults' do
     before { get '/tasks', params: { filter: { description: 'beans' } } }
 
diff --git a/spec/requests/range_filters_spec.rb b/spec/requests/range_filters_spec.rb
index b36d3cd..cb338a3 100644
--- a/spec/requests/range_filters_spec.rb
+++ b/spec/requests/range_filters_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Range filters' do
-  fixtures :activities
-
   context 'when range: true' do
     context 'with exact value' do
       before { get '/activities', params: { filter: { task_count: 3 } } }
diff --git a/spec/requests/scope_filters_spec.rb b/spec/requests/scope_filters_spec.rb
index 86d7541..fe07bbf 100644
--- a/spec/requests/scope_filters_spec.rb
+++ b/spec/requests/scope_filters_spec.rb
@@ -4,8 +4,6 @@
 
 RSpec.describe 'Scope filters' do
   context 'when conditional' do
-    fixtures :activities, :users
-
     context 'when true' do
       before { get '/activities', params: { filter: { incomplete: true } } }
 
@@ -54,8 +52,6 @@
   end
 
   context 'with arguments' do
-    fixtures :projects
-
     before { get '/projects', params: { filter: { in_progress: 1.day.from_now } } }
 
     it 'returns the correct number of rows' do
diff --git a/spec/requests/scope_sorts_spec.rb b/spec/requests/scope_sorts_spec.rb
index 6e7ab3f..827c152 100644
--- a/spec/requests/scope_sorts_spec.rb
+++ b/spec/requests/scope_sorts_spec.rb
@@ -3,8 +3,6 @@
 require 'rails_helper'
 
 RSpec.describe 'Scope sorts' do
-  fixtures :projects
-
   context 'with class method scope' do
     before { get '/projects', params: { filter: { sort: :by_created_at } } }