diff --git a/lib/active_job/queue_adapters/solid_queue_adapter.rb b/lib/active_job/queue_adapters/solid_queue_adapter.rb
index fe5560427..f7e23a1c9 100644
--- a/lib/active_job/queue_adapters/solid_queue_adapter.rb
+++ b/lib/active_job/queue_adapters/solid_queue_adapter.rb
@@ -8,9 +8,17 @@ module QueueAdapters
     #
     #   Rails.application.config.active_job.queue_adapter = :solid_queue
     class SolidQueueAdapter < (Rails::VERSION::MAJOR == 7 && Rails::VERSION::MINOR == 1 ? Object : AbstractAdapter)
-      class_attribute :stopping, default: false, instance_writer: false
+      class_attribute :stopping, default: false, instance_writer: false, instance_predicate: false
       SolidQueue.on_worker_stop { self.stopping = true }
 
+      # Accept an optional job argument for compatibility with Rails main, which
+      # began passing the running job to +queue_adapter.stopping?+ so adapters can
+      # decide whether to checkpoint based on it. We rely solely on the worker
+      # shutdown flag, so the argument is ignored.
+      def stopping?(_job = nil)
+        self.class.stopping
+      end
+
       def enqueue_after_transaction_commit?
         true
       end