diff --git a/pkg/mocks/common.go b/pkg/mocks/common.go
index 546f2fe..e469948 100644
--- a/pkg/mocks/common.go
+++ b/pkg/mocks/common.go
@@ -18,13 +18,13 @@
 package mocks
 
 import (
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 )
 
 func init() {
 	// Setup this package so that it's log level can be modified at run time
 	var err error
-	_, err = log.AddPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "mocks"})
+	_, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "mocks"})
 	if err != nil {
 		panic(err)
 	}