diff --git a/KI_Projekt/xml_data/company_Firma ABC.xml b/KI_Projekt/xml_data/company_Firma ABC.xml
index e55752f..b3af200 100644
--- a/KI_Projekt/xml_data/company_Firma ABC.xml	
+++ b/KI_Projekt/xml_data/company_Firma ABC.xml	
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
  <object class="Company">
   <void property="address">
    <string>Adresse 123</string>
diff --git a/KI_Projekt/xml_data/customer_Max Mustermann.xml b/KI_Projekt/xml_data/customer_Max Mustermann.xml
index 15dece2..b697bcb 100644
--- a/KI_Projekt/xml_data/customer_Max Mustermann.xml	
+++ b/KI_Projekt/xml_data/customer_Max Mustermann.xml	
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
 </java>
diff --git a/KI_Projekt/xml_data/delivery_note_1.xml b/KI_Projekt/xml_data/delivery_note_1.xml
index 15dece2..b697bcb 100644
--- a/KI_Projekt/xml_data/delivery_note_1.xml
+++ b/KI_Projekt/xml_data/delivery_note_1.xml
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
 </java>
diff --git a/KI_Projekt/xml_data/invoice_1.xml b/KI_Projekt/xml_data/invoice_1.xml
index 15dece2..b697bcb 100644
--- a/KI_Projekt/xml_data/invoice_1.xml
+++ b/KI_Projekt/xml_data/invoice_1.xml
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
 </java>
diff --git a/KI_Projekt/xml_data/offer_1.xml b/KI_Projekt/xml_data/offer_1.xml
index 15dece2..b697bcb 100644
--- a/KI_Projekt/xml_data/offer_1.xml
+++ b/KI_Projekt/xml_data/offer_1.xml
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
 </java>
diff --git a/KI_Projekt/xml_data/order_confirmation_1.xml b/KI_Projekt/xml_data/order_confirmation_1.xml
index 15dece2..b697bcb 100644
--- a/KI_Projekt/xml_data/order_confirmation_1.xml
+++ b/KI_Projekt/xml_data/order_confirmation_1.xml
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
 </java>
diff --git a/KI_Projekt/xml_data/product_Produkt XYZ.xml b/KI_Projekt/xml_data/product_Produkt XYZ.xml
index 15dece2..b697bcb 100644
--- a/KI_Projekt/xml_data/product_Produkt XYZ.xml	
+++ b/KI_Projekt/xml_data/product_Produkt XYZ.xml	
@@ -1,3 +1,3 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<java version="17.0.8" class="java.beans.XMLDecoder">
+<java version="21" class="java.beans.XMLDecoder">
 </java>