diff --git a/contrib/config/etcd/go.mod b/contrib/config/etcd/go.mod
index 8173c67c3..d6b93a91c 100644
--- a/contrib/config/etcd/go.mod
+++ b/contrib/config/etcd/go.mod
@@ -5,7 +5,7 @@ go 1.16
 require (
 	github.com/go-kratos/kratos/v2 v2.6.3
 	go.etcd.io/etcd/client/v3 v3.5.8
-	google.golang.org/grpc v1.56.1
+	google.golang.org/grpc v1.56.2
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../
diff --git a/contrib/config/etcd/go.sum b/contrib/config/etcd/go.sum
index 2854bf97c..1a7b3a379 100644
--- a/contrib/config/etcd/go.sum
+++ b/contrib/config/etcd/go.sum
@@ -1605,8 +1605,9 @@ google.golang.org/grpc v1.52.3/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5v
 google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
 google.golang.org/grpc v1.54.0/go.mod h1:PUSEXI6iWghWaB6lXM4knEgpJNu2qUcKfDtNci3EC2g=
 google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
-google.golang.org/grpc v1.56.1 h1:z0dNfjIl0VpaZ9iSVjA6daGatAYwPGstTjt5vkRMFkQ=
 google.golang.org/grpc v1.56.1/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
+google.golang.org/grpc v1.56.2 h1:fVRFRnXvU+x6C4IlHZewvJOVHoOv1TUuQyoRsYnB4bI=
+google.golang.org/grpc v1.56.2/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=