diff --git a/pom.xml b/pom.xml
index af0ed914..f9a442a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
   <groupId>de.gwdg.metadataqa</groupId>
   <artifactId>metadata-qa-api</artifactId>
   <packaging>jar</packaging>
-  <version>0.8</version>
+  <version>0.9.1-SNAPSHOT</version>
   <name>Metadata Quality Assurance Framework API</name>
   <description>
     A metadata quality assurance framework. It checks some metrics of 
@@ -225,8 +225,16 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>3.1.2</version>
+        <version>3.2.2</version>
         <configuration>
+          <archive>
+            <manifest>
+              <addDefaultEntries>true</addDefaultEntries>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+              <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+              <addBuildEnvironmentEntries>true</addBuildEnvironmentEntries>
+            </manifest>
+          </archive>
           <source>${maven.compiler.source}</source>
           <target>${maven.compiler.target}</target>
           <testSource>${maven.compiler.source}</testSource>
diff --git a/src/main/java/de/gwdg/metadataqa/api/cli/Version.java b/src/main/java/de/gwdg/metadataqa/api/cli/Version.java
new file mode 100644
index 00000000..fa9dc063
--- /dev/null
+++ b/src/main/java/de/gwdg/metadataqa/api/cli/Version.java
@@ -0,0 +1,7 @@
+package de.gwdg.metadataqa.api.cli;
+
+public class Version {
+  public static void main(String[] args) {
+    System.err.println(Version.class.getPackage().getImplementationVersion());
+  }
+}