The Trump administration is weighing new tactics to drive regime change in Cuba, including imposing a total blockade on oil imports to the Caribbean country, three people familiar with the plan said Thursday.

That escalation has been sought by some critics of the Cuban government in the administration and backed by Secretary of State Marco Rubio, according to two of the three people, who were granted anonymity to discuss the sensitive discussions. No decision has been made on whether to approve that move, but it could be among the suite of possible actions presented to President Donald Trump to force the end of Cuba’s communist government, these people added.

Preventing shipments of crude oil to the island would be a step-up from Trump’s statement last week that the U.S. would halt Cuba’s imports of oil from Venezuela, which had been its main crude supplier.

But there are ongoing debates within the administration about whether it is even necessary to go that far, according to all three people. The loss of Venezuelan oil shipments — and the resale of some of those cargoes that Havana used to obtain foreign currency — has already throttled Cuba’s laggard economy. A total blockade of oil imports into Cuba could then spark a humanitarian crisis, a possibility that has led some in the administration to push back against it.

The discussions, however, show the extent to which people inside the Trump administration are considering deposing leaders in Latin America they view as adversaries.

“Energy is the chokehold to kill the regime,” said one person familiar with the plan who was granted anonymity to describe the private discussions. Deposing the country’s communist government – in power since the Cuban revolution in 1959 – is “100 percent a 2026 event” in the administration’s eyes, this person added.

The effort would be justified under the 1994 LIBERTAD Act, better known as the Helms-Burton Act, this person added. That law codifies the U.S. embargo on Cuban trade and financial transactions.

Cuba’s embassy in Washington did not respond to a request for comment.

A White House spokesperson did not address a question on whether the administration was considering blocking all oil imports into Cuba.

Cuba imports about 60 percent of its oil supply, according to the International Energy Agency. It was heavily dependent on Venezuela for those imports until the Trump administration started seizing sanctioned shipments from that country. Mexico has more recently become the main supplier as Venezuelan crude shipments have dried up.

Mexico, however, charges Cuba for imported oil and its shipments are not expected to fully ameliorate Cuba’s worsening energy shortage.

Since the U.S. operation that captured Venezuelan leader Nicolás Maduro, the administration has turned its attention on Cuba, arguing that the island’s economy is at its weakest point, making it ripe for regime change soon. Trump and Secretary of State Marco Rubio, the son of Cuban immigrants, have each voiced their optimism that the island’s communist government will fall in short time given the loss of Venezuela’s economic support.

Toppling the communist regime in Cuba would fulfill a nearly seven-decade political project for Cuban exiles in Miami, who have pushed for democracy on the island since Fidel Castro took power after ousting the dictatorship of Fulgencio Batista in 1959. Rubio has long been an advocate for tough measures against Havana in the hopes of securing the fall of the regime.

Conditions on the island have indeed worsened, triggering blackouts and shortages of basic goods and food products. But the regime has weathered harsh U.S. sanctions — and the sweeping trade embargo — for decades and survived the fall of the Soviet Union after the Cold War. Meanwhile, concerns remain that the sudden collapse of the Cuban government would trigger a regional migration crisis and destabilize the Caribbean.

Critics of the Cuban government will likely celebrate the proposal if implemented by the White House. Hawkish Republicans had already embraced the idea of completely blocking Cuba’s access to oil.

“There should be not a dime, no petroleum. Nothing should ever get to Cuba,” said Sen. Rick Scott (R-Fla.) in a brief interview last week.