Malwarebytes 3 Update Oddity

I have a lifetime license for Malwarebytes 3 (MB3) Premium on my Windows 7 system. Today an MB3 popup notified me of a FREE update to the latest version. This popup appeared legit, and similar to those in the past, so I accepted/installed it. What was installed was a time limited "trial version" of the latest MB3, version 3.8.3. It came with prompts to upgrade to (and pay for) the latest version of MB3. Just a word to the wise. If MB3 is defaulting on its lifetime licenses, ...