[VOL-4022] RW-Core Changes For ONU SW Upgrade
New Download/Activate/Retrieve APIs

Change-Id: I2d8a0ec7d8967fd76a261a108f743e75f84c98e9
diff --git a/go.mod b/go.mod
index 4960581..18e8af4 100644
--- a/go.mod
+++ b/go.mod
@@ -4,10 +4,11 @@
 
 require (
 	github.com/gogo/protobuf v1.3.2
+	github.com/golang/mock v1.5.0
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
-	github.com/opencord/voltha-lib-go/v4 v4.2.3
-	github.com/opencord/voltha-protos/v4 v4.1.0
+	github.com/opencord/voltha-lib-go/v4 v4.3.0
+	github.com/opencord/voltha-protos/v4 v4.1.1
 	github.com/opentracing/opentracing-go v1.1.0
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/stretchr/testify v1.4.0