You might be looking at the first artwork overhaul by New Belgium Brewing. The new creative for Trippel. You see below, the brew has gone through a few changes over the years. The Belgian-style beer is brewed with coriander and offered year round. Brewery flagship Fat Tire also looks to be getting a bit of a sprucing up too. Below is a new 12oz can design.
The brewery is on top of press releases explaining changes like this. Expect them to go on record soon.