diff --git a/chaincodes/mygocc/go.mod b/chaincodes/mygocc/go.mod
index 3831b85..337f68e 100644
--- a/chaincodes/mygocc/go.mod
+++ b/chaincodes/mygocc/go.mod
@@ -6,7 +6,6 @@ require (
 	github.com/Knetic/govaluate v3.0.0+incompatible // indirect
 	github.com/Shopify/sarama v1.28.0 // indirect
 	github.com/fsouza/go-dockerclient v1.7.2 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/hashicorp/go-version v1.3.0 // indirect
 	github.com/hyperledger/fabric v1.4.9
@@ -16,9 +15,8 @@ require (
 	github.com/onsi/gomega v1.11.0 // indirect
 	github.com/op/go-logging v0.0.0-20160315200505-970db520ece7 // indirect
 	github.com/spf13/viper v1.7.1 // indirect
-	github.com/stretchr/testify v1.7.0
+	github.com/stretchr/testify v1.8.3
 	github.com/sykesm/zap-logfmt v0.0.4 // indirect
 	go.uber.org/zap v1.16.0 // indirect
-	golang.org/x/net v0.7.0 // indirect
-	google.golang.org/grpc v1.37.0 // indirect
+	google.golang.org/grpc v1.56.3 // indirect
 )