diff --git a/samples/grpc/local-drone-control-scala/src/main/scala/local/drones/Drone.scala b/samples/grpc/local-drone-control-scala/src/main/scala/local/drones/Drone.scala
index 96d99e72f..dc2dcbaab 100644
--- a/samples/grpc/local-drone-control-scala/src/main/scala/local/drones/Drone.scala
+++ b/samples/grpc/local-drone-control-scala/src/main/scala/local/drones/Drone.scala
@@ -12,6 +12,7 @@ import akka.persistence.typed.PersistenceId
 import akka.persistence.typed.scaladsl.Effect
 import akka.persistence.typed.scaladsl.EventSourcedBehavior
 import akka.persistence.typed.scaladsl.ReplyEffect
+import akka.serialization.jackson.CborSerializable
 
 object Drone {