diff --git a/rw_core/mocks/adapter_olt.go b/rw_core/mocks/adapter_olt.go
index 5364694..08f6e60 100644
--- a/rw_core/mocks/adapter_olt.go
+++ b/rw_core/mocks/adapter_olt.go
@@ -23,13 +23,13 @@
 	"strings"
 
 	"github.com/gogo/protobuf/proto"
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters"
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
-	com "github.com/opencord/voltha-lib-go/v3/pkg/adapters/common"
-	"github.com/opencord/voltha-lib-go/v3/pkg/log"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	of "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"
+	com "github.com/opencord/voltha-lib-go/v4/pkg/adapters/common"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	of "github.com/opencord/voltha-protos/v4/go/openflow_13"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 const (