[VOL-5581]getchilddevice fix

Change-Id: I3e0f2f54f4a52dd466098b62044b907f24999d8d
Signed-off-by: Akash Reddy Kankanala <akash.kankanala@radisys.com>
diff --git a/go.mod b/go.mod
index a30e8f9..b83ba2c 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@
 	github.com/google/uuid v1.6.0
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
 	github.com/opencord/voltha-lib-go/v7 v7.8.1
-	github.com/opencord/voltha-protos/v5 v5.7.1
+	github.com/opencord/voltha-protos/v5 v5.7.2
 	github.com/opentracing/opentracing-go v1.2.0
 	github.com/phayes/freeport v0.0.0-20220201140144-74d24b5ae9f5
 	github.com/prometheus/client_golang v1.23.2