You do need to upgrade to Deadline 6.0 before you can use it with Maya 2014. For more information on upgrading to the latest version of Deadline please contact our sales department by calling (866) 419-0283 (option 1 for sales) or by emailing sales@thinkboxsoftware.com. They can set you up with an evaluation license for testing before any financial commitment insuring it does everything you need in your workflow along with provide upgrade pricing.