Have your bulbs' leaves died down fully? If you try and dig them up and store them before they have, they won't flower next year.
Once the leaves have died down dig up the bulbs, remove the faded leaves and let them dry thoroughly for a few days. Then store in somethuing like an onion net in a cool, airy place. Re-plant in August.
Alternatively, you can plant then in their new spot now, moving them whilst the leaves are green. They may take nore than a year to flower, depending on how much you damage the roots.