Venezuelan President Nicolas Maduro on Wednesday said his government would continue producing oil, a day after the United States gave energy giant Chevron a month to stop operations in the Caribbean country.

The United States on Tuesday gave energy giant Chevron just one month to stop its operations in Venezuela, delivering a heavy blow to cash-strapped authorities in Caracas. But a Treasury Department unit said Tuesday that Chevron must stop pumping within 30 days,

María Corina Machado, the most prominent figure in the country’s opposition movement, argued the measures are needed to stop government repression.