cnfldemos/cp-server-connect-datagen:0.5.0-6.2.0 won't start on docker-compose

[phacic]

Output logs with docker-compose up

connect            | ===> User
connect            | uid=1000(appuser) gid=1000(appuser) groups=1000(appuser)
connect            | ===> Configuring ...
connect            | ===> Running preflight checks ... 
connect            | ===> Check if Kafka is healthy ...
connect            | Error: Could not find or load main class io.confluent.admin.utils.cli.KafkaReadyCommand
connect            | Caused by: java.lang.ClassNotFoundException: io.confluent.admin.utils.cli.KafkaReadyCommand