date mask apenas mês e ano (month/year only)

Existe alguma forma de eu adicionar uma mask de data que inclua apenas mês e ano?

Tentei utilizar ui-date-mask="MM/YYYY" e não funcionou, fica adicionando a data completa.

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Is there a way to add a date mask with month/year only?

I've tried ui-date-mask="MM/YYYY" and didn't work, still getting the full date.

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