diff --git a/app/Jobs/ProcessTellerDataJob.php b/app/Jobs/ProcessTellerDataJob.php
index 0601cda..ea0bd05 100644
--- a/app/Jobs/ProcessTellerDataJob.php
+++ b/app/Jobs/ProcessTellerDataJob.php
@@ -293,14 +293,19 @@
         {
             try {
                 if (!empty($this->tellerBatch)) {
-                    // Bulk insert/update teller records
-                    Teller::upsert(
-                        $this->tellerBatch,
-                        ['id_teller'], // Unique key
-                        array_diff(array_values(self::HEADER_MAP), ['id_teller']) // Update columns
-                    );
+                    // Process in smaller chunks for better memory management
+                    foreach ($this->tellerBatch as $entry) {
+                        // Extract all stmt_entry_ids from the current chunk
+                        $entryIds = array_column($entry, 'id_teller');
 
-                    // Reset batch after processing
+                        // Delete existing records with these IDs to avoid conflicts
+                        Teller::whereIn('id_teller', $entryIds)->delete();
+
+                        // Insert all records in the chunk at once
+                        Teller::insert($entry);
+                    }
+
+                    // Reset entry batch after processing
                     $this->tellerBatch = [];
                 }
             } catch (Exception $e) {