diff --git a/rw_core/core/device/agent_port.go b/rw_core/core/device/agent_port.go
index eeffd09..e90a0a4 100644
--- a/rw_core/core/device/agent_port.go
+++ b/rw_core/core/device/agent_port.go
@@ -22,8 +22,8 @@
 
 	"github.com/gogo/protobuf/proto"
 	"github.com/opencord/voltha-go/rw_core/core/device/port"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )