This is stated in Psaki's statement, which was published on the White House website.

“President Biden is looking forward to welcoming Ukrainian President Volodymyr Zelenskiy to the White House on August 30, 2021,” the statement said.

Earlier, Ukrainian Foreign Minister Dmitry Kuleba said that the official visit of Ukrainian President Volodymyr Zelensky to the United States and a meeting with American leader Joe Biden are planned for the end of July.