diff -r dcb98731b000 -r 5d25a1df3540 vm/pom.xml
--- a/vm/pom.xml	Tue Sep 25 12:11:03 2012 +0200
+++ b/vm/pom.xml	Wed Feb 06 15:07:20 2013 +0100
@@ -50,6 +50,7 @@
           <plugin>
               <groupId>org.apache.maven.plugins</groupId>
               <artifactId>maven-jar-plugin</artifactId>
+              <version>2.4</version>
               <configuration>
                   <archive>
                       <manifest>