no point re-potting an auto, with autos you should tend to use same pot start to finish - if you do re-pot your going to cause alot of stress especially as your plant is an Auto, your going to cause alot of issues such as the growth will most likely stunt, to help you further we need to know more.
how tall is she at present?
what strain also if you know would be good?
conditions etc?
scotzz ^^holla from scotland ')