diff --git a/internal/bbr/devices/olt.go b/internal/bbr/devices/olt.go
index 39ce70b..5a1ed19 100644
--- a/internal/bbr/devices/olt.go
+++ b/internal/bbr/devices/olt.go
@@ -30,7 +30,7 @@
 	"github.com/opencord/bbsim/internal/bbsim/devices"
 	"github.com/opencord/bbsim/internal/bbsim/packetHandlers"
 	"github.com/opencord/bbsim/internal/common"
-	"github.com/opencord/voltha-protos/v4/go/openolt"
+	"github.com/opencord/voltha-protos/v5/go/openolt"
 	log "github.com/sirupsen/logrus"
 	"google.golang.org/grpc"
 )