diff --git a/mustang/pom.xml b/mustang/pom.xml
index ffd47561..006d34a2 100644
--- a/mustang/pom.xml
+++ b/mustang/pom.xml
@@ -3,12 +3,12 @@
 	<parent>
 		<groupId>com.github.rayman2200</groupId>
 		<artifactId>mustang-sample-project</artifactId>
-		<version>1.1.3-SNAPSHOT</version>
+		<version>1.2.1-SNAPSHOT</version>
 	</parent>
 
 	<groupId>org.mustangproject.ZUGFeRD</groupId>
 	<artifactId>mustang</artifactId>
-	<version>1.2.0</version>
+	<version>1.2.1-SNAPSHOT</version>
 	<packaging>jar</packaging>
 
 	<name>Mustang</name>
diff --git a/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java b/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
index 15f255b7..b1b92fdf 100644
--- a/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
+++ b/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
@@ -111,6 +111,13 @@ public class MustangReaderWriterEdgeTest extends TestCase implements IZUGFeRDExp
     return new Contact();
   }
 
+
+  @Override
+  public String getOwnOrganisationFullPlaintextInfo()
+  {
+    return null;
+  }
+  
   @Override
   public IZUGFeRDExportableItem[] getZFItems()
   {
diff --git a/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java b/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
index 668fd8eb..23a083b3 100644
--- a/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
+++ b/mustang/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterTest.java
@@ -111,6 +111,12 @@ public class MustangReaderWriterTest extends TestCase implements IZUGFeRDExporta
     return new Contact();
   }
 
+  @Override
+  public String getOwnOrganisationFullPlaintextInfo()
+  {
+    return null;
+  }
+
   @Override
   public IZUGFeRDExportableItem[] getZFItems()
   {
diff --git a/pdfa3-sample/pom.xml b/pdfa3-sample/pom.xml
index 09682a23..f7edda0a 100644
--- a/pdfa3-sample/pom.xml
+++ b/pdfa3-sample/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.github.rayman2200</groupId>
     <artifactId>mustang-sample-project</artifactId>
-    <version>1.1.3-SNAPSHOT</version>
+    <version>1.2.1-SNAPSHOT</version>
   </parent>
 
 	<artifactId>pdfa3-samples</artifactId>
diff --git a/pom.xml b/pom.xml
index 4935e2e0..34fb73e1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.github.rayman2200</groupId>
 	<artifactId>mustang-sample-project</artifactId>
-	<version>1.1.3-SNAPSHOT</version>
+	<version>1.2.1-SNAPSHOT</version>
 	<packaging>pom</packaging>
 
 	<scm>