diff --git a/cmd/openonu-adapter/common.go b/cmd/openonu-adapter/common.go
index 7507288..9c871ef 100644
--- a/cmd/openonu-adapter/common.go
+++ b/cmd/openonu-adapter/common.go
@@ -18,15 +18,15 @@
 package main
 
 import (
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
 )
 
-var logger log.Logger
+var logger log.CLogger
 
 func init() {
 	// Setup this package so that it's log level can be modified at run time
 	var err error
-	logger, err = log.AddPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "main"})
+	logger, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "main"})
 	// previously log.DebugLevel was set !?
 	if err != nil {
 		panic(err)