diff --git a/tests/Integration/Queue/JobChainingTest.php b/tests/Integration/Queue/JobChainingTest.php
index 7037625b62bf..38d8a2222a7b 100644
--- a/tests/Integration/Queue/JobChainingTest.php
+++ b/tests/Integration/Queue/JobChainingTest.php
@@ -5,6 +5,7 @@
 use Illuminate\Bus\Batchable;
 use Illuminate\Bus\PendingBatch;
 use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldBeUnique;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Foundation\Bus\PendingChain;
@@ -459,6 +460,18 @@ public function testChainBatchFailureNotAllowed()
         $this->assertEquals(['batch failed', 'chain failed'], JobRunRecorder::$failures);
     }
 
+    public function testChainBatchUniqueJobFiresAtLeastOnce()
+    {
+        Bus::chain([
+            new JobChainingTestUniqueJob('c1'),
+            new JobChainingTestUniqueJob('c2'),
+            new JobChainingTestUniqueJob('c3'),
+            new JobChainingTestUniqueJob('c4'),
+        ])->dispatch();
+
+        $this->assertEquals(['c1'], JobRunRecorder::$results);
+    }
+  
     public function testChainConditionable()
     {
         $chain = Bus::chain([])
@@ -692,6 +705,25 @@ public function handle()
     }
 }
 
+class JobChainingTestUniqueJob implements ShouldBeUnique
+{
+	use Dispatchable, InteractsWithQueue, Queueable;
+
+	public static $results = [];
+
+	public string $id;
+
+	public function __construct(string $id)
+	{
+		$this->id = $id;
+	}
+
+	public function handle()
+	{
+		JobRunRecorder::record($this->id);
+	}
+}
+
 class JobRunRecorder
 {
     public static $results = [];