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

Change-Id: Ie35c06c62797cc5966305a0a82492600a0dec871
diff --git a/internal/bbsim/responders/igmp/igmp_test.go b/internal/bbsim/responders/igmp/igmp_test.go
index a1788c0..8037869 100644
--- a/internal/bbsim/responders/igmp/igmp_test.go
+++ b/internal/bbsim/responders/igmp/igmp_test.go
@@ -21,7 +21,7 @@
 	"fmt"
 	"github.com/google/gopacket"
 	"github.com/google/gopacket/layers"
-	"github.com/opencord/voltha-protos/v3/go/openolt"
+	"github.com/opencord/voltha-protos/v4/go/openolt"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc"
 	"net"