diff --git a/app/Jobs/DeleteTemporaryTableData.php b/app/Jobs/DeleteTemporaryTableData.php
index 7aceebb..37e941b 100644
--- a/app/Jobs/DeleteTemporaryTableData.php
+++ b/app/Jobs/DeleteTemporaryTableData.php
@@ -6,11 +6,12 @@
 
 use App\Contracts\TemporaryTable;
 use Exception;
+use Illuminate\Contracts\Queue\ShouldBeUnique;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Queue\Queueable;
 use Illuminate\Support\Facades\DB;
 
-class DeleteTemporaryTableData implements ShouldQueue
+class DeleteTemporaryTableData implements ShouldQueue, ShouldBeUnique
 {
     use Queueable;
 
@@ -18,6 +19,13 @@ class DeleteTemporaryTableData implements ShouldQueue
 
     public int $electionId;
 
+    /**
+     * The number of seconds after which the job's unique lock will be released.
+     *
+     * @var int
+     */
+    public $uniqueFor = 45;
+
     /**
      * Create a new job instance.
      */
@@ -42,4 +50,9 @@ public function handle(): void
             ->where('election_id', $this->electionId)
             ->delete();
     }
+
+    public function uniqueId(): string
+    {
+        return "delete-temporary-table-data:{$this->model}";
+    }
 }
diff --git a/app/Jobs/PersistTemporaryTableData.php b/app/Jobs/PersistTemporaryTableData.php
index 5544cbc..1e30879 100644
--- a/app/Jobs/PersistTemporaryTableData.php
+++ b/app/Jobs/PersistTemporaryTableData.php
@@ -7,11 +7,12 @@
 use App\Contracts\TemporaryTable;
 use App\Jobs\Middleware\RateLimitSchedulableJobMiddleware;
 use Exception;
+use Illuminate\Contracts\Queue\ShouldBeUnique;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Queue\Queueable;
 use Illuminate\Support\Facades\DB;
 
-class PersistTemporaryTableData implements ShouldQueue
+class PersistTemporaryTableData implements ShouldQueue, ShouldBeUnique
 {
     use Queueable;
 
@@ -19,6 +20,13 @@ class PersistTemporaryTableData implements ShouldQueue
 
     public ?int $electionId;
 
+    /**
+     * The number of seconds after which the job's unique lock will be released.
+     *
+     * @var int
+     */
+    public $uniqueFor = 45;
+
     /**
      * Create a new job instance.
      */
@@ -72,4 +80,9 @@ public function middleware(): array
             new RateLimitSchedulableJobMiddleware('persist-temporary-table-data'),
         ];
     }
+
+    public function uniqueId(): string
+    {
+        return "persist-temporary-table-data:{$this->model}";
+    }
 }