Bought a new MacBook Pro recently? There might be a firmware update waiting for you.

Apple on Wednesday released the MacBook Pro Flash Storage Firmware Update 1.0, which, according to Apple’s website, is for mid-2015 MacBook Pro models. The website also sates that the firmware update fixes an issue that “may cause data corruption.”

In case you’re wondering, about the “mid-2015” part: When Apple releases new Macs, it uses identifies when the model was released with “early-,” “mid-,” or “late-,” labels. The 15-inch MacBook Pro currently for sale by Apple is labeled mid-2015. So if you have a MacBook Pro from mid-2014, you do not need to install the firmware update.

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