diff --git a/spec/support/rails_stub_application.rb b/spec/support/rails_stub_application.rb
index 0784707..41701ae 100644
--- a/spec/support/rails_stub_application.rb
+++ b/spec/support/rails_stub_application.rb
@@ -1,15 +1,17 @@
 RSpec.configure do |config|
   config.before(:example) do
-    without_partial_double_verification do
-      deprecators = ActiveSupport::Deprecation::Deprecators.new.tap do |deprecators|
-        deprecators[:rails] = ActiveSupport::Deprecation.new
+    if ActiveSupport.version >= Gem::Version.new("7.1.0")
+      without_partial_double_verification do
+        deprecators = ActiveSupport::Deprecation::Deprecators.new.tap do |deprecators|
+          deprecators[:rails] = ActiveSupport::Deprecation.new
+        end
+        mock_app = OpenStruct.new(deprecators: deprecators)
+        allow(Rails)
+          .to receive(:application)
+          .and_return(mock_app)
       end
-      mock_app = OpenStruct.new(deprecators: deprecators)
-      allow(Rails)
-        .to receive(:application)
-        .and_return(mock_app)
+      WarningSigns::World.instance.rails_set_up
     end
-    WarningSigns::World.instance.rails_set_up
   end
 end