[VOL-3979] Using latest protos and voltha-lib-go

Change-Id: I7544801f675733049a5c8af26546ec24a6652bef
diff --git a/internal/pkg/ofagent/changeEvent.go b/internal/pkg/ofagent/changeEvent.go
index 845db8a..f9fa98e 100644
--- a/internal/pkg/ofagent/changeEvent.go
+++ b/internal/pkg/ofagent/changeEvent.go
@@ -24,7 +24,7 @@
 	"github.com/golang/protobuf/ptypes/empty"
 	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/ofagent-go/internal/pkg/openflow"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"google.golang.org/grpc"
 )