The organisation will allow "live craft keg" beers at the Great British Beer Festival this summer for the first time in the event's 42-year history.
Tiny Rebel, Wild Beer Co, Magic Rock and Siren have already signed up to showcase their brews, serving their beers from recyclable KeyKeg containers.
The keg beers will be situated in the international beer hall, alongside brewers from the US, Czech Republic, Germany, Belgium, The Netherlands and Spain, among others.
Catherine Tonry, GBBF Festival Organiser said: "We look forward to rolling out the new KeyKeg takeover at this year's festival. Whilst as an organisation we campaign exclusively for real ale, cider and perry, people like me coming to the festival love beer in all forms and types of dispense.
"We want to ensure that everyone feels welcome and has the best festival experience that CAMRA can offer."
Plans are also underway to for a new Learning & Discovery zone at the festival, which offers visitors the chance to compare samples of keg and cask beers, meet brewers and learn about ingredients and the brewing process.
New for this year is also a gin bar.
The Great British Beer Festival will run from August 6 to 10 at London's Olympia, featuring over 1,000 beers, cider and perries.