"It is critically important for us that the Congress soon completes all the necessary procedures and makes a final decision... which will strengthen the Ukrainian economy and our armed forces," Zelensky was quoted as saying in a presidential office statement.
A $60 billion aid package for Ukraine has been blocked in the Republican-led House of Representatives as Speaker Mike Johnson insists the funds must be linked to more action against illegal immigration.
Ukrainian troops have reported ammunition shortages as a result of the delay and Russian forces have been advancing on parts of the front line in eastern Ukraine.