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HAVANA (CBSMiami) – Cuba could be running out of beer.

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Cristal and Bucanero, two popular Cuban brands, are in short supply as more American and European tourists flock to the island.

Another problem is that more and more privately-owned restaurants are opening.

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Bucanero said it needs to build a new plant to keep up with demand.

Besides building a new plant, the Costa Rica Star reports Bucanero will be importing 3 million cases of the Dominican brew Presidente on top of the 19 million cases of local beer they are set to make.

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Bucanero, which is partly owned by Anheuser-Busch InBev, produces Cacique, Mayabe, Bucanero and Cristal, the island’s best-selling beer.