diff --git a/src/Service/PdfIndexService.php b/src/Service/PdfIndexService.php
index 783840f..3df6f66 100644
--- a/src/Service/PdfIndexService.php
+++ b/src/Service/PdfIndexService.php
@@ -181,7 +181,7 @@ class PdfIndexService
 
             $text = $this->cleanPdfContent($pdf->getText());
 
-            return mb_substr($text, 0, 5000);
+            return mb_substr($text, 0, 20000);
 
         } catch (\Throwable) {
             return '';