No worries. Do it when it is convenient for you, but as close to the MM as possible.
And for what it is worth, the dealer isn't typically going to do any better of a job than any other oil change venue. Most dealers use the same type of personnel and products as the chain oil change places use. Just make sure they use 0W-20 and a change the filter. Don't let them pump the oil from a barrel, it may not be 0W-20. It will likely be 5W-20 conventional.
And for what it is worth, the dealer isn't typically going to do any better of a job than any other oil change venue. Most dealers use the same type of personnel and products as the chain oil change places use. Just make sure they use 0W-20 and a change the filter. Don't let them pump the oil from a barrel, it may not be 0W-20. It will likely be 5W-20 conventional.