Your Friday morning coffee pit-stop is about to get a little sweeter.

June 5 is National Doughnut Day, and to celebrate, Dunkin' Donuts is offering a free donut with the purchase of any beverage. The offer is available all day at participating locations, while supplies last.

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"Donuts have a special place in our country's history and culture," said Jeff Miller, executive chef and vice president of product innovation at Dunkin' Brands. "We are proud to celebrate this timeless favorite on National Donut Day."

You can find a Long Island location near you at

If you're commuting into Manhattan, you can also score a complimentary sweet snack at Krispy Kreme's Penn Station location. The doughnut shop is celebrating the holiday by giving out a free doughnut of your choice.