diff --git a/go.mod b/go.mod
index 70a5cd8..be1bda4 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,6 @@ require (
 	github.com/mitchellh/hashstructure v1.1.0
 	go.etcd.io/etcd/api/v3 v3.5.2
 	go.etcd.io/etcd/client/v3 v3.5.2
-	go.uber.org/zap v1.20.0
+	go.uber.org/zap v1.21.0
 	go.unistack.org/micro/v3 v3.8.20
 )
diff --git a/go.sum b/go.sum
index 1698c34..f9e2db7 100644
--- a/go.sum
+++ b/go.sum
@@ -164,8 +164,8 @@ go.uber.org/goleak v1.1.11/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ
 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
-go.uber.org/zap v1.20.0 h1:N4oPlghZwYG55MlU6LXk/Zp00FVNE9X9wrYO8CEs4lc=
-go.uber.org/zap v1.20.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
+go.uber.org/zap v1.21.0 h1:WefMeulhovoZ2sYXz7st6K0sLj7bBhpiFaud4r4zST8=
+go.uber.org/zap v1.21.0/go.mod h1:wjWOCqI0f2ZZrJF/UufIOkiC8ii6tm1iqIsLo76RfJw=
 go.unistack.org/micro-proto/v3 v3.2.1 h1:z7+V97LcAwMbBiYStmf8b6fFk2UPJTzni+rxNqk4NrI=
 go.unistack.org/micro-proto/v3 v3.2.1/go.mod h1:ZltVWNECD5yK+40+OCONzGw4OtmSdTpVi8/KFgo9dqM=
 go.unistack.org/micro/v3 v3.8.20 h1:ZKqkb1IY3sNLgcEN3fxOkVgwxBP3vz8m+p297qLxx9w=