diff --git a/cmd/openolt-adapter/common.go b/cmd/openolt-adapter/common.go
index c12b743..5093658 100644
--- a/cmd/openolt-adapter/common.go
+++ b/cmd/openolt-adapter/common.go
@@ -18,7 +18,7 @@
 package main
 
 import (
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/cmd/openolt-adapter/main.go b/cmd/openolt-adapter/main.go
index 038af15..7f0c182 100644
--- a/cmd/openolt-adapter/main.go
+++ b/cmd/openolt-adapter/main.go
@@ -26,20 +26,20 @@
 	"syscall"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
+	"github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
-	com "github.com/opencord/voltha-lib-go/v3/pkg/adapters/common"
-	conf "github.com/opencord/voltha-lib-go/v3/pkg/config"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	"github.com/opencord/voltha-lib-go/v3/pkg/probe"
-	"github.com/opencord/voltha-lib-go/v3/pkg/version"
+	"github.com/opencord/voltha-lib-go/v4/pkg/adapters"
+	com "github.com/opencord/voltha-lib-go/v4/pkg/adapters/common"
+	conf "github.com/opencord/voltha-lib-go/v4/pkg/config"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/probe"
+	"github.com/opencord/voltha-lib-go/v4/pkg/version"
 	"github.com/opencord/voltha-openolt-adapter/internal/pkg/config"
 	ac "github.com/opencord/voltha-openolt-adapter/internal/pkg/core"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 type adapter struct {
diff --git a/cmd/openolt-adapter/main_test.go b/cmd/openolt-adapter/main_test.go
index 19e8d5b..6b6ea7e 100644
--- a/cmd/openolt-adapter/main_test.go
+++ b/cmd/openolt-adapter/main_test.go
@@ -24,10 +24,10 @@
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
 	"github.com/opencord/voltha-openolt-adapter/internal/pkg/config"
 	"github.com/opencord/voltha-openolt-adapter/pkg/mocks"
-	ca "github.com/opencord/voltha-protos/v3/go/inter_container"
+	ca "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"go.etcd.io/etcd/pkg/mock/mockserver"
 )