diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 56d9dd3..961acfb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,22 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        rails_version: [5.1.0, 5.2.0, 6.0.0, 6.1.0, 7.0.0, 7.1.0, master]
-        ruby_version: ['3.2', '3.1', '3.0', '2.7', '2.6']
-        exclude:
-          - { ruby_version: '2.6', rails_version: 7.0.0 }
-          - { ruby_version: '2.6', rails_version: 7.1.0 }
-          - { ruby_version: '2.6', rails_version: master }
-          - { ruby_version: '3.0', rails_version: 5.1.0 }
-          - { ruby_version: '3.0', rails_version: 5.2.0 }
-          - { ruby_version: '3.1', rails_version: 5.1.0 }
-          - { ruby_version: '3.1', rails_version: 5.2.0 }
-          - { ruby_version: '3.1', rails_version: 6.0.0 }
-          - { ruby_version: '3.1', rails_version: 6.1.0 }
-          - { ruby_version: '3.2', rails_version: 5.1.0 }
-          - { ruby_version: '3.2', rails_version: 5.2.0 }
-          - { ruby_version: '3.2', rails_version: 6.0.0 }
-          - { ruby_version: '3.2', rails_version: 6.1.0 }
+        rails_version: [6.1.0, 7.0.0, 7.1.0, master]
+        ruby_version: ['3.3', '3.2', '3.1', '3.0']
 
     steps:
     - uses: actions/checkout@v3
diff --git a/spec/dummy/config/application.rb b/spec/dummy/config/application.rb
index 66d71a6..c05aeed 100644
--- a/spec/dummy/config/application.rb
+++ b/spec/dummy/config/application.rb
@@ -7,6 +7,7 @@
 
 module Dummy
   class Application < Rails::Application
+    config.load_defaults Rails.version.to_f
     config.secret_token = "secret token"
     config.active_support.deprecation = :log
     config.eager_load = false
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 9e9dbbb..4087aa6 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -45,7 +45,12 @@
 end
 RSpec.configure do |config|
   # Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
-  config.fixture_path = File.expand_path('fixtures', __dir__)
+  fixture_path = File.expand_path('fixtures', __dir__)
+  if config.respond_to?(:fixture_paths=) # NOTE: check for Rails 6.1
+    config.fixture_paths = [fixture_path]
+  else
+    config.fixture_path = fixture_path
+  end
 
   # If you're not using ActiveRecord, or you'd prefer not to run each of your
   # examples within a transaction, remove the following line or assign false