gRPC migration

Change-Id: I3129ae27d7ee12a23c7046f0d877e8064f2fd7f4
diff --git a/internal/core/store.go b/internal/core/store.go
index a6d24fb..dd8d529 100644
--- a/internal/core/store.go
+++ b/internal/core/store.go
@@ -19,7 +19,7 @@
 import (
 	"context"
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v7/pkg/log"
 	"sync"
 )