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 {