diff --git a/go.mod b/go.mod
index 691a919d..d4c5cc23 100644
--- a/go.mod
+++ b/go.mod
@@ -18,16 +18,13 @@ require (
 	github.com/panjf2000/ants/v2 v2.3.0
 	github.com/paulmach/orb v0.2.1
 	github.com/prometheus/client_golang v1.6.0
-	github.com/spf13/cast v1.3.0
-	github.com/spf13/cobra v1.0.0
-	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/spf13/viper v1.7.0
+	github.com/spf13/cast v1.3.1
+	github.com/spf13/cobra v1.1.3
+	github.com/spf13/viper v1.8.0
 	github.com/stretchr/testify v1.7.0
 	go.etcd.io/bbolt v1.3.5
 	go.uber.org/atomic v1.8.0
 	go.uber.org/zap v1.17.0
-	golang.org/x/crypto v0.0.0-20200117160349-530e935923ad // indirect
-	golang.org/x/net v0.0.0-20191105084925-a882066a44e0 // indirect
 	google.golang.org/grpc v1.38.0
 	google.golang.org/protobuf v1.26.0
 )
diff --git a/go.sum b/go.sum
index ae168d3b..77bec275 100644
Binary files a/go.sum and b/go.sum differ