By Colin Kellaher

Walgreens Boots Alliance Inc. on Thursday said its board raised the quarterly dividend by 2.2% to 46.75 cents from 45.75 cents.

The new payout, equal to $1.87 a year, represents an annual yield of about 4.42% based on Wednesday's closing price of $42.29, up from about 4.33%.

The Deerfield, Ill., retail and wholesale pharmacy said the increased dividend is payable Sept. 11 to shareholders of record Aug. 19.

Write to Colin Kellaher at colin.kellaher@wsj.com