Sparkplug V2.2 Extension Needed

How do you get an older version of sparkplug2.2 to work? My PLC’s are using sparkplug2.2 and I can only get them to subscribe to HiveMQ CE w/ Sparkplug-tck-3.0 extension. The Horner Tech guys are saying I need to use sparkplug2.2 instead of 3.0