Dependency convergence error for xalan:serializer:2.7.1 paths to dependency are:

+-com.org:org-fixtures:1.2.0-SNAPSHOT
  +-com.org:org-engine:4.1-SNAPSHOT
    +-xalan:serializer:2.7.1
and
+-com.org:org-fixtures:1.2.0-SNAPSHOT
  +-com.pack:-seleniumcore:4.1-SNAPSHOT
    +-org.seleniumhq.selenium:selenium-java:2.21.0
      +-org.seleniumhq.selenium:selenium-htmlunit-driver:2.21.0
        +-net.sourceforge.htmlunit:htmlunit:2.9
          +-xalan:xalan:2.7.2
            +-xalan:serializer:2.7.2

[WARNING] Rule 0: org.apache.maven.plugins.enforcer.DependencyConvergence failed
 with message:
Failed while enforcing releasability the error(s) are [
Dependency convergence error for xalan:serializer:2.7.1 paths to dependency are:

+-com.org:org-fixtures:1.2.0-SNAPSHOT
  +-com.org:org-engine:4.1-SNAPSHOT
    +-xalan:serializer:2.7.1
and
+-com.org:org-fixtures:1.2.0-SNAPSHOT
  +-com.org:org-seleniumcore:4.1-SNAPSHOT
    +-org.seleniumhq.selenium:selenium-java:2.21.0
      +-org.seleniumhq.selenium:selenium-htmlunit-driver:2.21.0
        +-net.sourceforge.htmlunit:htmlunit:2.9
          +-xalan:xalan:2.7.2
            +-xalan:serializer:2.7.2