Heads up, Android users. A new leak suggests that you may soon be able to pay for your Big Mac and fries with a swipe of your phone.

Android Police got its hands on an internal notice to employees at McDonald's, which reveals that Google's new mobile payment service, Android Pay, will launch on Wednesday, Aug. 26.

Google has not yet announced when it plans to launch Android Pay beyond the vague promise of sometime "later this year." McDonald's is one of the Android Pay launch partners Google mentioned when it unveiled the new mobile payment service, along with Macy's, Nike, Best Buy, Subway, and Staples.

As for whether it actually launches this week, we'll just have to wait and see. As Android Police noted, "there's no doubt Google would inform [McDonald's] ahead of time of Pay's approximate launch window, if only to prepare employees." Even so, "it's equally possible this date relies on old information and that the launch has since changed, we just don't know."

Unveiled in May, Android Pay will let you purchase items with a swipe of your phone. To pay, you'll just need to unlock your phone and wave it over a payment terminal that supports Android Pay or NFC. An alert will then confirm your payment. Loyalty card information can be added to Android Pay and automatically applied at purchase.

Google said that Android Pay is supported by American Express, MasterCard, Visa, and Discover, as well as AT&T, Verizon, and T-Mobile. It will work at over 700,000 stores, and within apps that sell physical goods and services, like Lyft, Grubhub, and Groupon.

The notice at McDonald's, meanwhile, also notes that Samsung Pay would launch on Aug. 21. That's incorrect—Samsung has said it will arrive in the U.S. on Sept. 28. The Aug. 21 date is actually when Samsung's latest phones—the Galaxy Note 5 and S6 Edge+—hit stores. Android Police chalked that up to "an honest mistake," and said the Android Pay date "does seem reasonably likely," but we'll have to wait until Wednesday.