diff --git a/cie-java/build.gradle b/cie-java/build.gradle
index d1f49a4d..7dbf96b4 100644
--- a/cie-java/build.gradle
+++ b/cie-java/build.gradle
@@ -33,7 +33,7 @@ dependencies {
 	implementation 'commons-io:commons-io:2.15.1'
 	implementation 'com.google.code.gson:gson:2.10.1'
 	implementation 'net.java.dev.jna:jna:5.14.0'
-	implementation 'org.apache.pdfbox:pdfbox:2.0.29'
+	implementation 'org.apache.pdfbox:pdfbox:3.0.1'
 }
 
 mainClassName = 'it.ipzs.cieid.MainApplicationn'
diff --git a/cie-java/src/it/ipzs/cieid/Firma/PdfPreview.java b/cie-java/src/it/ipzs/cieid/Firma/PdfPreview.java
index 0414ac9b..69df590a 100644
--- a/cie-java/src/it/ipzs/cieid/Firma/PdfPreview.java
+++ b/cie-java/src/it/ipzs/cieid/Firma/PdfPreview.java
@@ -2,11 +2,12 @@
 
 import java.awt.*;
 import java.awt.image.BufferedImage;
-import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import javax.swing.*;
+import org.apache.pdfbox.Loader;
+import org.apache.pdfbox.io.RandomAccessReadBufferedFile;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.rendering.PDFRenderer;
 
@@ -36,10 +37,8 @@ public PdfPreview(JPanel panelPdfPreview, String pdfFilePath, String signImagePa
         imgPanel.add(signImage);
         imgPanel.add(imgLabel);
 
-        File file = new File(filePath);
-
         try {
-            PDDocument document = PDDocument.load(file);
+            PDDocument document = Loader.loadPDF(new RandomAccessReadBufferedFile(filePath));
             pdfNumPages = document.getNumberOfPages();
             System.out.println("Pdf page: " + pdfNumPages);
             PDFRenderer renderer = new PDFRenderer(document);