Just take steps to minimize photo bleaching (use amber tubes for aliquots, if possible dim/turn off strong lights). Other than that, you're good to go.
dilute in TE not water and store aliquots in the dark in a freezer. Repeated freeze thaw is not good for labelled oligos so use an aliquot and keep in a fridge for immediate use. Amber tubes are a good idea but foil wrapping round tubes works also but really they are very stable just like unlabelled oligos except for the need to protect from strong light