diff --git a/validator/pom.xml b/validator/pom.xml
index e6de0a9b..f07ff5cb 100644
--- a/validator/pom.xml
+++ b/validator/pom.xml
@@ -68,7 +68,7 @@
         <!-- embedded verapdf -->
         <dependency>
             <groupId>org.verapdf</groupId>
-            <artifactId>validation-model</artifactId>
+            <artifactId>validation-model-jakarta</artifactId>
             <version>1.26.1</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.helger/ph-schematron -->
diff --git a/validator/src/main/java/org/mustangproject/validator/ZUGFeRDValidator.java b/validator/src/main/java/org/mustangproject/validator/ZUGFeRDValidator.java
index d87eb83f..554944dd 100644
--- a/validator/src/main/java/org/mustangproject/validator/ZUGFeRDValidator.java
+++ b/validator/src/main/java/org/mustangproject/validator/ZUGFeRDValidator.java
@@ -1,6 +1,12 @@
 package org.mustangproject.validator;
 
-import java.io.*;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringReader;
+import java.io.StringWriter;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -11,7 +17,6 @@ import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
 
-import javax.xml.bind.annotation.adapters.HexBinaryAdapter;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 
@@ -28,6 +33,8 @@ import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 import org.xml.sax.InputSource;
 
+import jakarta.xml.bind.annotation.adapters.HexBinaryAdapter;
+
 //abstract class
 public class ZUGFeRDValidator {
 	private static final Logger LOGGER = LoggerFactory.getLogger(ZUGFeRDValidator.class.getCanonicalName()); // log