diff --git a/rw_core/core/device/event/event.go b/rw_core/core/device/event/event.go
index e570b30..5817c64 100644
--- a/rw_core/core/device/event/event.go
+++ b/rw_core/core/device/event/event.go
@@ -22,9 +22,9 @@
 	"sync"
 
 	"github.com/golang/protobuf/ptypes/empty"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	"github.com/opencord/voltha-protos/v3/go/openflow_13"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-protos/v4/go/openflow_13"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 type Manager struct {