Yulia Svyrydenko resigned Sunday as Ukraine's prime minister. File Photo by Teresa Suarez/EPA

July 13 (UPI) -- Yulia Svyrydenko has resigned as prime minister of Ukraine, as President Volodymyr Zelensky announced that she would be assuming a new position amid a shift in the war-torn country's political strategy.

Svyrydenko stepped down on Sunday, five days short of serving a full year as prime minister. No reason was given.

Her resignation came as Zelensky said in a statement that "Ukraine is changing its political strategy."

Though he did not detail specifically how or why the change was necessary, he indicated the new strategy would prioritize implementing the agreement with the United States for Ukraine to manufacture Patriot missile systems, advancing Europe's anti-ballistic missile defense project, progressing Kyiv's European Union membership, improving relations with Poland and Hungary and creating ties with the Middle East for security and economic cooperation and with China to help Russia's War.