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

Change-Id: Ie35c06c62797cc5966305a0a82492600a0dec871
diff --git a/internal/bbsim/alarmsim/alarmsim.go b/internal/bbsim/alarmsim/alarmsim.go
index 838e15a..cbb51da 100644
--- a/internal/bbsim/alarmsim/alarmsim.go
+++ b/internal/bbsim/alarmsim/alarmsim.go
@@ -25,7 +25,7 @@
 
 	"github.com/opencord/bbsim/api/bbsim"
 	"github.com/opencord/bbsim/internal/bbsim/devices"
-	"github.com/opencord/voltha-protos/v3/go/openolt"
+	"github.com/opencord/voltha-protos/v4/go/openolt"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )