diff --git a/template/spec/support/system.rb b/template/spec/support/system.rb
index 7929c10..343302e 100644
--- a/template/spec/support/system.rb
+++ b/template/spec/support/system.rb
@@ -11,6 +11,9 @@
 
         # Fixes slowdowns on macOS
         options.add_argument("--disable-gpu")
+
+        # Fixes intermittent assertion failures
+        options.add_argument("--disable-features=DeferRendererTasksAfterInput")
       end
   end
 end
diff --git a/template/test/application_system_test_case.rb b/template/test/application_system_test_case.rb
index c1f2942..5ae4d93 100644
--- a/template/test/application_system_test_case.rb
+++ b/template/test/application_system_test_case.rb
@@ -12,5 +12,8 @@ class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
 
       # Fixes slowdowns on macOS
       options.add_argument("--disable-gpu")
+
+      # Fixes intermittent assertion failures
+      options.add_argument("--disable-features=DeferRendererTasksAfterInput")
     end
 end