diff --git a/rw_core/core/api/grpc_nbi_handler_test.go b/rw_core/core/api/grpc_nbi_handler_test.go
index 6b37a14..d6491c8 100755
--- a/rw_core/core/api/grpc_nbi_handler_test.go
+++ b/rw_core/core/api/grpc_nbi_handler_test.go
@@ -37,13 +37,13 @@
 	"github.com/opencord/voltha-go/rw_core/core/device"
 	cm "github.com/opencord/voltha-go/rw_core/mocks"
 	tst "github.com/opencord/voltha-go/rw_core/test"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"github.com/opencord/voltha-lib-go/v3/pkg/flows"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	mock_etcd "github.com/opencord/voltha-lib-go/v3/pkg/mocks/etcd"
-	mock_kafka "github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka"
-	ofp "github.com/opencord/voltha-protos/v3/go/openflow_13"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/flows"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	mock_etcd "github.com/opencord/voltha-lib-go/v4/pkg/mocks/etcd"
+	mock_kafka "github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka"
+	ofp "github.com/opencord/voltha-protos/v4/go/openflow_13"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"