diff --git a/go.mod b/go.mod
index 75c5bb6..3789c55 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module go.unistack.org/micro-codec-proto/v3
 go 1.16
 
 require (
-	go.unistack.org/micro/v3 v3.8.20
+	go.unistack.org/micro/v3 v3.8.21
 	google.golang.org/protobuf v1.27.1
 )
diff --git a/go.sum b/go.sum
index 6922ab9..fa2f805 100644
--- a/go.sum
+++ b/go.sum
@@ -68,8 +68,8 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 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=
-go.unistack.org/micro/v3 v3.8.20/go.mod h1:aBOCQ6SkAwKMRI7Q1CIsQA2S88ibyJfweJZlT1M2qpE=
+go.unistack.org/micro/v3 v3.8.21 h1:8vYxtIlPnCBZ888BrQSP6+b0CFQcn5FiaqDpI5XqorQ=
+go.unistack.org/micro/v3 v3.8.21/go.mod h1:aBOCQ6SkAwKMRI7Q1CIsQA2S88ibyJfweJZlT1M2qpE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=