[VOL-3419] Supporting new flow format.
Releasing version 1.3.0

Change-Id: Ie35c06c62797cc5966305a0a82492600a0dec871
diff --git a/internal/common/helpers.go b/internal/common/helpers.go
index 77d4607..6153283 100644
--- a/internal/common/helpers.go
+++ b/internal/common/helpers.go
@@ -20,7 +20,7 @@
 	"net"
 	"strconv"
 
-	"github.com/opencord/voltha-protos/v3/go/openolt"
+	"github.com/opencord/voltha-protos/v4/go/openolt"
 )
 
 func OnuSnToString(sn *openolt.SerialNumber) string {