title: How do I upgrade the version of a maven plugin?
body: <p>I am using the maven-ear-plugin version 2.3.1 - I know there is a new version available: <a href="http://maven.apache.org/plugins/maven-ear-plugin/" rel="noreferrer">http://maven.apache.org/plugins/maven-ear-plugin/</a></p>
  
  <p>I can't work out how to upgrade to the latest version?</p>