diff --git a/internal/common/helpers.go b/internal/common/helpers.go
index 6153283..d0d3cf1 100644
--- a/internal/common/helpers.go
+++ b/internal/common/helpers.go
@@ -20,7 +20,7 @@
 	"net"
 	"strconv"
 
-	"github.com/opencord/voltha-protos/v4/go/openolt"
+	"github.com/opencord/voltha-protos/v5/go/openolt"
 )
 
 func OnuSnToString(sn *openolt.SerialNumber) string {
diff --git a/internal/common/omci/get.go b/internal/common/omci/get.go
index d988b97..0cdb2c4 100644
--- a/internal/common/omci/get.go
+++ b/internal/common/omci/get.go
@@ -23,7 +23,7 @@
 	"github.com/google/gopacket"
 	"github.com/opencord/omci-lib-go"
 	me "github.com/opencord/omci-lib-go/generated"
-	"github.com/opencord/voltha-protos/v4/go/openolt"
+	"github.com/opencord/voltha-protos/v5/go/openolt"
 	log "github.com/sirupsen/logrus"
 	"math/rand"
 	"strconv"
diff --git a/internal/common/omci/get_test.go b/internal/common/omci/get_test.go
index f9cdac4..cffb80d 100644
--- a/internal/common/omci/get_test.go
+++ b/internal/common/omci/get_test.go
@@ -22,7 +22,7 @@
 	"github.com/google/gopacket"
 	"github.com/opencord/omci-lib-go"
 	me "github.com/opencord/omci-lib-go/generated"
-	"github.com/opencord/voltha-protos/v4/go/openolt"
+	"github.com/opencord/voltha-protos/v5/go/openolt"
 	"gotest.tools/assert"
 	"reflect"
 	"testing"