[VOL-2778] Handling IGMP

Change-Id: I54c26bc438a144c7d4c64a9b3d543461fc743ab2
diff --git a/internal/common/helpers.go b/internal/common/helpers.go
index c1bf936..77d4607 100644
--- a/internal/common/helpers.go
+++ b/internal/common/helpers.go
@@ -20,7 +20,7 @@
 	"net"
 	"strconv"
 
-	"github.com/opencord/voltha-protos/v2/go/openolt"
+	"github.com/opencord/voltha-protos/v3/go/openolt"
 )
 
 func OnuSnToString(sn *openolt.SerialNumber) string {