The Google Play store has all but run out of Nexus 7 tablets, rekindling rumors that a brand new successor made by HTC could be right around the corner. “We are out of inventory,” a notice reads, without giving customers any indication when new stock might be available to order.

It seems the only version available right now is the LTE model that’s compatible with GSM networks — all others have sold out. Google hasn’t held any Nexus 7 sales recently and the device is over a year old now, so an unexpected sales surge seems unlikely. Could it be, then, that Google has stopped ordering Nexus 7 stock in preparation for a successor?

Many were surprised that a new Nexus tablet wasn’t announced at Google I/O back in June — particularly with speculation surrounding its successor now in full flow. Recent reports have claimed HTC has been working with Google on a new Nexus device, codenamed “Volantis,” which will have a larger 8.9-inch display with a 2K resolution.

Other specifications are said to include a 64-bit NVIDIA Tegra K1 processor, 2GB of RAM, up to 32GB of internal storage, and an 8-megapixel camera. Sources claim the device will have a premium form factor made out of aluminum with front-facing stereo speakers — something HTC is very familiar with.

Don’t get your hopes up just yet, however. While it does seem strange that Google has allowed the Nexus 7 to run out of stock, there could be other reasons for it.