diff --git a/internal/target/target.go b/internal/target/target.go
index 8ab023248..0d5251666 100644
--- a/internal/target/target.go
+++ b/internal/target/target.go
@@ -93,6 +93,8 @@ func (target *Target) UnmarshalJSON(data []byte) error {
 		options = new(ContainerTargetOptions)
 	case TargetNameWorkerServer:
 		options = new(WorkerServerTargetOptions)
+	case TargetNamePulpOSTree:
+		options = new(PulpOSTreeTargetOptions)
 	default:
 		return fmt.Errorf("unexpected target name: %s", rawTarget.Name)
 	}
@@ -278,6 +280,10 @@ func (target Target) MarshalJSON() ([]byte, error) {
 			// the incompatible change.
 			rawOptions, err = json.Marshal(target.Options)
 
+		case *PulpOSTreeTargetOptions:
+			// added after incompatibility change
+			rawOptions, err = json.Marshal(target.Options)
+
 		default:
 			return nil, fmt.Errorf("unexpected target options type: %t", t)
 		}
diff --git a/internal/target/targetresult.go b/internal/target/targetresult.go
index 59bccbfb7..52759ce87 100644
--- a/internal/target/targetresult.go
+++ b/internal/target/targetresult.go
@@ -76,6 +76,8 @@ func UnmarshalTargetResultOptions(trName TargetName, rawOptions json.RawMessage)
 		options = new(OCIObjectStorageTargetResultOptions)
 	case TargetNameContainer:
 		options = new(ContainerTargetResultOptions)
+	case TargetNamePulpOSTree:
+		options = new(PulpOSTreeTargetResultOptions)
 	default:
 		return nil, fmt.Errorf("unexpected target result name: %s", trName)
 	}