VOL-3978 - update to go 1.16.3

Change-Id: I7a6ce8f823b7ea68ac446c43ca833e1d63a47779
diff --git a/go.mod b/go.mod
index a196416..ad4b564 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/opencord/voltha-openonu-adapter-go
 
-go 1.13
+go 1.16
 
 require (
 	github.com/boguslaw-wojcik/crc32a v1.0.0
@@ -9,9 +9,9 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/google/gopacket v1.1.17
 	github.com/looplab/fsm v0.1.0
-	github.com/opencord/omci-lib-go v0.16.2
-	github.com/opencord/voltha-lib-go/v4 v4.2.2
-	github.com/opencord/voltha-protos/v4 v4.0.13
+	github.com/opencord/omci-lib-go v0.17.0
+	github.com/opencord/voltha-lib-go/v4 v4.2.3
+	github.com/opencord/voltha-protos/v4 v4.1.0
 	github.com/stretchr/testify v1.6.1
 	google.golang.org/grpc v1.25.1 // indirect
 )