For the first time since 2010, USCIS has raised certain fees, some of which will affect DV candidates.
The DV interview fee remains unchanged at $330 (per person).
The immigrant fee (that was $165) is now $220.
Adjustment of status fees have increased.
The fees are explained in more detail – here http://britsimonsays.com/dv-lottery-fees/
The new fees are already effective and published at this link.