<plugin>
  <groupId>org.codehaus.cargo</groupId>
  <artifactId>cargo-maven2-plugin</artifactId>
  <version>1.0-alpha-6</version>
  <configuration> ... </configuration>
  <executions> ... </executions>

  <dependencies>
    <dependency>
      <groupId>org.codehaus.cargo</groupId>
      <artifactId>cargo-core-container-glassfish</artifactId>
      <version>1.0-alpha-6</version>
    </dependency>
  </dependencies>
</plugin>