The official Twitter account for the drink, @TheRealPSL, tweeted instructions on Thursday night.

Eager customers can go to this website and enter the word "pumpkin" to unlock their pass.

Anticipation for the pumpkin spice latte has been especially high this year, after Starbucks announced the drink would include real pumpkin for the first time.

Click here to find out when you can get your hands on other pumpkin-flavored treats.