diff --git a/pkg/adapters/adapterif/adapter_proxy_if.go b/pkg/adapters/adapterif/adapter_proxy_if.go
index de5cfc0..30fcead 100644
--- a/pkg/adapters/adapterif/adapter_proxy_if.go
+++ b/pkg/adapters/adapterif/adapter_proxy_if.go
@@ -20,7 +20,7 @@
 	"context"
 
 	"github.com/golang/protobuf/proto"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 )
 
 // AdapterProxy interface for AdapterProxy implementation.
diff --git a/pkg/adapters/adapterif/core_proxy_if.go b/pkg/adapters/adapterif/core_proxy_if.go
index a7ab6dc..36939bd 100644
--- a/pkg/adapters/adapterif/core_proxy_if.go
+++ b/pkg/adapters/adapterif/core_proxy_if.go
@@ -19,7 +19,7 @@
 import (
 	"context"
 
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 // CoreProxy interface for voltha-go coreproxy.
diff --git a/pkg/adapters/adapterif/events_proxy_if.go b/pkg/adapters/adapterif/events_proxy_if.go
index dbd8140..7d8a053 100644
--- a/pkg/adapters/adapterif/events_proxy_if.go
+++ b/pkg/adapters/adapterif/events_proxy_if.go
@@ -18,7 +18,7 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 // EventProxy interface for eventproxy
diff --git a/pkg/adapters/common/adapter_proxy.go b/pkg/adapters/common/adapter_proxy.go
index 8588fe4..9ade0d1 100644
--- a/pkg/adapters/common/adapter_proxy.go
+++ b/pkg/adapters/common/adapter_proxy.go
@@ -17,15 +17,15 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
 
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/any"
 	"github.com/google/uuid"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 )
 
 type AdapterProxy struct {
diff --git a/pkg/adapters/common/adapter_proxy_test.go b/pkg/adapters/common/adapter_proxy_test.go
index d86a895..c73cb0f 100644
--- a/pkg/adapters/common/adapter_proxy_test.go
+++ b/pkg/adapters/common/adapter_proxy_test.go
@@ -18,11 +18,11 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	mocks "github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	mocks "github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"strconv"
diff --git a/pkg/adapters/common/common.go b/pkg/adapters/common/common.go
index 2f56e42..5d7d7f8 100644
--- a/pkg/adapters/common/common.go
+++ b/pkg/adapters/common/common.go
@@ -16,7 +16,7 @@
 package common
 
 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/pkg/adapters/common/core_proxy.go b/pkg/adapters/common/core_proxy.go
index b1ce1c3..1077226 100644
--- a/pkg/adapters/common/core_proxy.go
+++ b/pkg/adapters/common/core_proxy.go
@@ -21,10 +21,10 @@
 
 	"github.com/golang/protobuf/ptypes"
 	a "github.com/golang/protobuf/ptypes/any"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
diff --git a/pkg/adapters/common/core_proxy_test.go b/pkg/adapters/common/core_proxy_test.go
index 007fff4..97a88f5 100644
--- a/pkg/adapters/common/core_proxy_test.go
+++ b/pkg/adapters/common/core_proxy_test.go
@@ -19,11 +19,11 @@
 	"context"
 	"testing"
 
-	adapterIf "github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	mocks "github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	adapterIf "github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	mocks "github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
diff --git a/pkg/adapters/common/events_proxy.go b/pkg/adapters/common/events_proxy.go
index b79bafe..b16c1ae 100644
--- a/pkg/adapters/common/events_proxy.go
+++ b/pkg/adapters/common/events_proxy.go
@@ -25,10 +25,10 @@
 	"time"
 
 	"github.com/golang/protobuf/ptypes"
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	"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/adapters/adapterif"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 type EventProxy struct {
diff --git a/pkg/adapters/common/performance_metrics.go b/pkg/adapters/common/performance_metrics.go
index 7697c05..6705c72 100644
--- a/pkg/adapters/common/performance_metrics.go
+++ b/pkg/adapters/common/performance_metrics.go
@@ -17,7 +17,7 @@
 package common
 
 import (
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 type PmMetrics struct {
diff --git a/pkg/adapters/common/request_handler.go b/pkg/adapters/common/request_handler.go
index f3a93df..50b9195 100644
--- a/pkg/adapters/common/request_handler.go
+++ b/pkg/adapters/common/request_handler.go
@@ -21,13 +21,13 @@
 
 	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/empty"
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	"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/adapters"
+	"github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	"github.com/opencord/voltha-protos/v4/go/openflow_13"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
diff --git a/pkg/adapters/common/utils.go b/pkg/adapters/common/utils.go
index 3d91119..65b432c 100644
--- a/pkg/adapters/common/utils.go
+++ b/pkg/adapters/common/utils.go
@@ -18,8 +18,8 @@
 import (
 	"context"
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"google.golang.org/grpc/codes"
 	"math/rand"
 	"time"
diff --git a/pkg/adapters/common/utils_test.go b/pkg/adapters/common/utils_test.go
index a93dd2f..d05162e 100644
--- a/pkg/adapters/common/utils_test.go
+++ b/pkg/adapters/common/utils_test.go
@@ -17,7 +17,7 @@
 
 import (
 	"context"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
 	"strconv"
diff --git a/pkg/adapters/iAdapter.go b/pkg/adapters/iAdapter.go
index ce0b791..b106d52 100644
--- a/pkg/adapters/iAdapter.go
+++ b/pkg/adapters/iAdapter.go
@@ -17,9 +17,9 @@
 
 import (
 	"context"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	"github.com/opencord/voltha-protos/v3/go/openflow_13"
-	"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/openflow_13"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 //IAdapter represents the set of APIs a voltha adapter has to support.
diff --git a/pkg/config/common.go b/pkg/config/common.go
index a69e290..294a4bd 100644
--- a/pkg/config/common.go
+++ b/pkg/config/common.go
@@ -16,7 +16,7 @@
 package config
 
 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/pkg/config/configmanager.go b/pkg/config/configmanager.go
index 9ea86f7..4b1c841 100644
--- a/pkg/config/configmanager.go
+++ b/pkg/config/configmanager.go
@@ -22,9 +22,9 @@
 	"strings"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 )
 
 const (
diff --git a/pkg/config/logcontroller.go b/pkg/config/logcontroller.go
index f83e383..8187edc 100644
--- a/pkg/config/logcontroller.go
+++ b/pkg/config/logcontroller.go
@@ -26,7 +26,7 @@
 	"crypto/md5"
 	"encoding/json"
 	"errors"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"os"
 	"sort"
 	"strings"
diff --git a/pkg/config/logfeaturescontroller.go b/pkg/config/logfeaturescontroller.go
index f608e1e..353ae5c 100644
--- a/pkg/config/logfeaturescontroller.go
+++ b/pkg/config/logfeaturescontroller.go
@@ -19,7 +19,7 @@
 import (
 	"context"
 	"errors"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"os"
 	"strings"
 )
diff --git a/pkg/db/backend.go b/pkg/db/backend.go
index efc0953..d6867a5 100644
--- a/pkg/db/backend.go
+++ b/pkg/db/backend.go
@@ -23,8 +23,8 @@
 	"sync"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
diff --git a/pkg/db/backend_test.go b/pkg/db/backend_test.go
index 98b72a0..78e626b 100644
--- a/pkg/db/backend_test.go
+++ b/pkg/db/backend_test.go
@@ -18,7 +18,7 @@
 
 import (
 	"context"
-	mocks "github.com/opencord/voltha-lib-go/v3/pkg/mocks/etcd"
+	mocks "github.com/opencord/voltha-lib-go/v4/pkg/mocks/etcd"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
diff --git a/pkg/db/common.go b/pkg/db/common.go
index 9d50f24..25cddf5 100644
--- a/pkg/db/common.go
+++ b/pkg/db/common.go
@@ -16,7 +16,7 @@
 package db
 
 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/pkg/db/kvstore/common.go b/pkg/db/kvstore/common.go
index bb38a94..99c603d 100644
--- a/pkg/db/kvstore/common.go
+++ b/pkg/db/kvstore/common.go
@@ -16,7 +16,7 @@
 package kvstore
 
 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/pkg/db/kvstore/consulclient.go b/pkg/db/kvstore/consulclient.go
index c2cd841..2593608 100644
--- a/pkg/db/kvstore/consulclient.go
+++ b/pkg/db/kvstore/consulclient.go
@@ -19,7 +19,7 @@
 	"bytes"
 	"context"
 	"errors"
-	log "github.com/opencord/voltha-lib-go/v3/pkg/log"
+	log "github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"sync"
 	"time"
 	//log "ciena.com/coordinator/common"
diff --git a/pkg/db/kvstore/etcdclient.go b/pkg/db/kvstore/etcdclient.go
index 0165e18..aa5adbf 100644
--- a/pkg/db/kvstore/etcdclient.go
+++ b/pkg/db/kvstore/etcdclient.go
@@ -22,7 +22,7 @@
 	"sync"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	v3Client "go.etcd.io/etcd/clientv3"
 	v3Concurrency "go.etcd.io/etcd/clientv3/concurrency"
 	v3rpcTypes "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
diff --git a/pkg/flows/common.go b/pkg/flows/common.go
index 2d5904b..fdc93bd 100644
--- a/pkg/flows/common.go
+++ b/pkg/flows/common.go
@@ -16,7 +16,7 @@
 package flows
 
 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/pkg/flows/flow_utils.go b/pkg/flows/flow_utils.go
index 9b800bf..98fad49 100644
--- a/pkg/flows/flow_utils.go
+++ b/pkg/flows/flow_utils.go
@@ -26,8 +26,8 @@
 
 	"github.com/cevaris/ordered_map"
 	"github.com/gogo/protobuf/proto"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ofp "github.com/opencord/voltha-protos/v3/go/openflow_13"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ofp "github.com/opencord/voltha-protos/v4/go/openflow_13"
 )
 
 var (
diff --git a/pkg/flows/flow_utils_test.go b/pkg/flows/flow_utils_test.go
index ec00cb1..20b7bbe 100644
--- a/pkg/flows/flow_utils_test.go
+++ b/pkg/flows/flow_utils_test.go
@@ -20,7 +20,7 @@
 	"strings"
 	"testing"
 
-	ofp "github.com/opencord/voltha-protos/v3/go/openflow_13"
+	ofp "github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
diff --git a/pkg/grpc/common.go b/pkg/grpc/common.go
index d873069..5f90da9 100644
--- a/pkg/grpc/common.go
+++ b/pkg/grpc/common.go
@@ -16,7 +16,7 @@
 package grpc
 
 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/pkg/grpc/common_test.go b/pkg/grpc/common_test.go
index b7151f7..e6a3533 100644
--- a/pkg/grpc/common_test.go
+++ b/pkg/grpc/common_test.go
@@ -16,7 +16,7 @@
 package grpc
 
 import (
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 )
 
 const (
diff --git a/pkg/grpc/server.go b/pkg/grpc/server.go
index f5f9550..ed2d5ec 100644
--- a/pkg/grpc/server.go
+++ b/pkg/grpc/server.go
@@ -19,7 +19,7 @@
 	"context"
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
diff --git a/pkg/kafka/client.go b/pkg/kafka/client.go
index d977e38..0337432 100755
--- a/pkg/kafka/client.go
+++ b/pkg/kafka/client.go
@@ -17,7 +17,7 @@
 
 import (
 	"context"
-	ca "github.com/opencord/voltha-protos/v3/go/inter_container"
+	ca "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"time"
 )
 
diff --git a/pkg/kafka/common.go b/pkg/kafka/common.go
index f229d46..5db364d 100644
--- a/pkg/kafka/common.go
+++ b/pkg/kafka/common.go
@@ -16,7 +16,7 @@
 package kafka
 
 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/pkg/kafka/endpoint_manager.go b/pkg/kafka/endpoint_manager.go
index 266f6c1..796eb72 100644
--- a/pkg/kafka/endpoint_manager.go
+++ b/pkg/kafka/endpoint_manager.go
@@ -21,9 +21,9 @@
 	"github.com/buraksezer/consistent"
 	"github.com/cespare/xxhash"
 	"github.com/golang/protobuf/proto"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"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/db"
+	"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"
 	"sync"
diff --git a/pkg/kafka/endpoint_manager_test.go b/pkg/kafka/endpoint_manager_test.go
index a42cc2e..0399b4d 100644
--- a/pkg/kafka/endpoint_manager_test.go
+++ b/pkg/kafka/endpoint_manager_test.go
@@ -20,10 +20,10 @@
 	"fmt"
 	"github.com/golang/protobuf/proto"
 	"github.com/google/uuid"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	"github.com/opencord/voltha-lib-go/v3/pkg/mocks/etcd"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/mocks/etcd"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"google.golang.org/grpc/codes"
diff --git a/pkg/kafka/kafka_inter_container_library.go b/pkg/kafka/kafka_inter_container_library.go
index 92d2529..3af35d7 100644
--- a/pkg/kafka/kafka_inter_container_library.go
+++ b/pkg/kafka/kafka_inter_container_library.go
@@ -31,8 +31,8 @@
 	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/any"
 	"github.com/google/uuid"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"github.com/opentracing/opentracing-go"
 )
 
diff --git a/pkg/kafka/sarama_client.go b/pkg/kafka/sarama_client.go
index 69450fa..1e4efae 100755
--- a/pkg/kafka/sarama_client.go
+++ b/pkg/kafka/sarama_client.go
@@ -29,8 +29,8 @@
 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 	"github.com/google/uuid"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 )
 
 // consumerChannels represents one or more consumers listening on a kafka topic.  Once a message is received on that
diff --git a/pkg/mocks/etcd/common.go b/pkg/mocks/etcd/common.go
index f74c3ea..9f427c0 100644
--- a/pkg/mocks/etcd/common.go
+++ b/pkg/mocks/etcd/common.go
@@ -16,7 +16,7 @@
 package etcd
 
 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/pkg/mocks/etcd/etcd_server_test.go b/pkg/mocks/etcd/etcd_server_test.go
index b26b262..0c2f882 100644
--- a/pkg/mocks/etcd/etcd_server_test.go
+++ b/pkg/mocks/etcd/etcd_server_test.go
@@ -19,8 +19,8 @@
 import (
 	"context"
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"os"
diff --git a/pkg/mocks/kafka/common.go b/pkg/mocks/kafka/common.go
index 07ac9ec..6bc3356 100644
--- a/pkg/mocks/kafka/common.go
+++ b/pkg/mocks/kafka/common.go
@@ -16,7 +16,7 @@
 package kafka
 
 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/pkg/mocks/kafka/endpoint_manager.go b/pkg/mocks/kafka/endpoint_manager.go
index 8b8e7f6..68bdcab 100644
--- a/pkg/mocks/kafka/endpoint_manager.go
+++ b/pkg/mocks/kafka/endpoint_manager.go
@@ -18,7 +18,7 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
 )
 
 type EndpointManager struct{}
diff --git a/pkg/mocks/kafka/kafka_client.go b/pkg/mocks/kafka/kafka_client.go
index 9d6f50c..268c571 100644
--- a/pkg/mocks/kafka/kafka_client.go
+++ b/pkg/mocks/kafka/kafka_client.go
@@ -21,9 +21,9 @@
 	"sync"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
diff --git a/pkg/mocks/kafka/kafka_client_test.go b/pkg/mocks/kafka/kafka_client_test.go
index 7753d66..8754313 100644
--- a/pkg/mocks/kafka/kafka_client_test.go
+++ b/pkg/mocks/kafka/kafka_client_test.go
@@ -18,8 +18,8 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 	"github.com/stretchr/testify/assert"
 	"testing"
 	"time"
diff --git a/pkg/mocks/kafka/kafka_inter_container_proxy.go b/pkg/mocks/kafka/kafka_inter_container_proxy.go
index b974a92..9bbdf3c 100644
--- a/pkg/mocks/kafka/kafka_inter_container_proxy.go
+++ b/pkg/mocks/kafka/kafka_inter_container_proxy.go
@@ -22,8 +22,8 @@
 	"github.com/gogo/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/any"
-	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
 )
 
 type InvokeRpcArgs struct {
diff --git a/pkg/pmmetrics/performance_metrics.go b/pkg/pmmetrics/performance_metrics.go
index 322126b..699e8f0 100644
--- a/pkg/pmmetrics/performance_metrics.go
+++ b/pkg/pmmetrics/performance_metrics.go
@@ -17,7 +17,7 @@
 package pmmetrics
 
 import (
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 // PmMetrics structure holds metric and device info
diff --git a/pkg/ponresourcemanager/common.go b/pkg/ponresourcemanager/common.go
index d266617..1c9a5b1 100644
--- a/pkg/ponresourcemanager/common.go
+++ b/pkg/ponresourcemanager/common.go
@@ -16,7 +16,7 @@
 package ponresourcemanager
 
 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/pkg/ponresourcemanager/ponresourcemanager.go b/pkg/ponresourcemanager/ponresourcemanager.go
index baff575..bbfebe3 100755
--- a/pkg/ponresourcemanager/ponresourcemanager.go
+++ b/pkg/ponresourcemanager/ponresourcemanager.go
@@ -25,10 +25,10 @@
 	"time"
 
 	bitmap "github.com/boljen/go-bitmap"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	tp "github.com/opencord/voltha-lib-go/v3/pkg/techprofile"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	tp "github.com/opencord/voltha-lib-go/v4/pkg/techprofile"
 )
 
 const (
diff --git a/pkg/ponresourcemanager/ponresourcemanager_test.go b/pkg/ponresourcemanager/ponresourcemanager_test.go
index 0eab36e..b9ab649 100644
--- a/pkg/ponresourcemanager/ponresourcemanager_test.go
+++ b/pkg/ponresourcemanager/ponresourcemanager_test.go
@@ -20,9 +20,9 @@
 	"context"
 	"encoding/json"
 	"errors"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"github.com/stretchr/testify/assert"
 	"strings"
 	"testing"
diff --git a/pkg/probe/common.go b/pkg/probe/common.go
index efd27a4..d9739af 100644
--- a/pkg/probe/common.go
+++ b/pkg/probe/common.go
@@ -16,7 +16,7 @@
 package probe
 
 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/pkg/probe/probe.go b/pkg/probe/probe.go
index 732d6df..f13f257 100644
--- a/pkg/probe/probe.go
+++ b/pkg/probe/probe.go
@@ -18,7 +18,7 @@
 import (
 	"context"
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 	"net/http"
 	"sync"
 )
diff --git a/pkg/techprofile/common.go b/pkg/techprofile/common.go
index fe99fcd..544c780 100644
--- a/pkg/techprofile/common.go
+++ b/pkg/techprofile/common.go
@@ -16,7 +16,7 @@
 package techprofile
 
 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/pkg/techprofile/config.go b/pkg/techprofile/config.go
index fa2a6de..bcec75e 100644
--- a/pkg/techprofile/config.go
+++ b/pkg/techprofile/config.go
@@ -16,7 +16,7 @@
 package techprofile
 
 import (
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
 	"time"
 )
 
diff --git a/pkg/techprofile/tech_profile.go b/pkg/techprofile/tech_profile.go
index 6badd09..b80f136 100644
--- a/pkg/techprofile/tech_profile.go
+++ b/pkg/techprofile/tech_profile.go
@@ -26,11 +26,11 @@
 	"sync"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	tp_pb "github.com/opencord/voltha-protos/v3/go/tech_profile"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	tp_pb "github.com/opencord/voltha-protos/v4/go/tech_profile"
 )
 
 // Interface to pon resource manager APIs
diff --git a/pkg/techprofile/tech_profile_if.go b/pkg/techprofile/tech_profile_if.go
index 0af1d4e..0c5e273 100644
--- a/pkg/techprofile/tech_profile_if.go
+++ b/pkg/techprofile/tech_profile_if.go
@@ -19,8 +19,8 @@
 import (
 	"context"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/db"
-	tp_pb "github.com/opencord/voltha-protos/v3/go/tech_profile"
+	"github.com/opencord/voltha-lib-go/v4/pkg/db"
+	tp_pb "github.com/opencord/voltha-protos/v4/go/tech_profile"
 )
 
 type TechProfileIf interface {