diff --git a/Mustang-CLI/pom.xml b/Mustang-CLI/pom.xml
index 3da16639..56efc744 100644
--- a/Mustang-CLI/pom.xml
+++ b/Mustang-CLI/pom.xml
@@ -10,7 +10,7 @@
    <artifactId>Mustang-CLI</artifactId>
    <name>Mustang commandline tool</name>
    <packaging>jar</packaging>
-   <version>1.9.0-alpha1-SNAPSHOT</version>
+   <version>1.9.0-alpha1</version>
    <repositories>
       <repository>
          <!-- for jargs -->
diff --git a/library/pom.xml b/library/pom.xml
index 0dab7a26..2fe26390 100644
--- a/library/pom.xml
+++ b/library/pom.xml
@@ -9,7 +9,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.mustangproject</groupId>
 	<artifactId>library</artifactId>
-	<version>1.9.0-alpha1-SNAPSHOT</version>
+	<version>1.9.0-alpha1</version>
 	<packaging>jar</packaging>
 	<name>Library to write and read FacturX and ZUGFeRD e-invoices.  </name>
 	<description>The Mustang project is a java library to read and write ZUGFeRD meta data inside your invoice PDFs. To write files, a provided PDF/A will be combined with generated or provided XML.
@@ -19,7 +19,7 @@
 		<connection>scm:git:https://github.com/ZUGFeRD/mustangproject.git</connection>
 		<developerConnection>scm:git:https://github.com/ZUGFeRD/mustangproject.git</developerConnection>
 		<url>https://github.com/ZUGFeRD/mustangproject</url>
-		<tag>mustang-2.0.0-SNAPSHOT</tag>
+		<tag>core-1.9.0-alpha1</tag>
 	</scm>
 	<repositories>
 		<repository><!-- for jargs -->
diff --git a/pom.xml b/pom.xml
index c98e7a9f..cff35f3d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.mustangproject</groupId>
     <artifactId>core</artifactId>
@@ -21,7 +20,7 @@
         <connection>scm:git:https://github.com/ZUGFeRD/mustangproject.git</connection>
         <developerConnection>scm:git:https://github.com/ZUGFeRD/mustangproject.git</developerConnection>
         <url>https://github.com/ZUGFeRD/mustangproject</url>
-        <tag>mustang-1.7.3</tag>
+        <tag>core-1.9.0-alpha1</tag>
     </scm>
     <repositories>
         <repository><!-- for jargs -->
diff --git a/validator/pom.xml b/validator/pom.xml
index b7fdca77..8d30fe27 100644
--- a/validator/pom.xml
+++ b/validator/pom.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.mustangproject</groupId>
         <artifactId>core</artifactId>
@@ -12,7 +11,7 @@
     <name>Library to validate Factur-X/ZUGFeRD 1.0 and 2.1 as well as XRechnung e-invoices.</name>
 
     <packaging>jar</packaging>
-    <version>1.9.0-alpha1-SNAPSHOT</version>
+    <version>1.9.0-alpha1</version>
     <repositories>
         <repository>
             <!-- for jargs -->
@@ -216,7 +215,7 @@
                         </goals>
                         <configuration>
                             <artifactSet>
-                                <excludes/>
+                                <excludes />
                             </artifactSet>
                         </configuration>
                     </execution>