How do we upgrade lift version in Maven?
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I would like to upgrade lift version to bypass a lift bug. However, I cannot find the place to change the version number in maven. Is it here?

    <properties>
            <scala.version>2.7.7</scala.version>
            <!-- Common plugin settings -->
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <project.reporting.outputEncoding>${project.build.sourceEncoding}</project.reporting.outputEncoding>
            <!-- vscaladoc settings -->
            <maven.scaladoc.vscaladocVersion>1.2-m1</maven.scaladoc.vscaladocVersion>
            <vscaladoc.links.liftweb.pathsufix>scaladocs/</vscaladoc.links.liftweb.pathsufix>
            <vscaladoc.links.liftweb.baseurl>http://scala-tools.org/mvnsites/liftweb</vscaladoc.links.liftweb.baseurl>
    </properties>

If so, what parameter do I adjust to do it? If not, how can I upgrade lift in Maven.

Thanks