diff --git a/.github/workflows/dependabot-automerge.yml b/.github/workflows/dependabot-automerge.yml
index 44105e8..b8e71a1 100644
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
       - name: metadata
         id: metadata
-        uses: dependabot/fetch-metadata@v1.3.4
+        uses: dependabot/fetch-metadata@v1.3.5
         with:
           github-token: "${{ secrets.TOKEN }}"
       - name: merge
diff --git a/api/annotations.pb.go b/api/annotations.pb.go
index 36e9d33..5cdc610 100644
--- a/api/annotations.pb.go
+++ b/api/annotations.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: api/annotations.proto
 
 package api
diff --git a/api/client.pb.go b/api/client.pb.go
index e4ad52a..3ae50b5 100644
--- a/api/client.pb.go
+++ b/api/client.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: api/client.proto
 
 package api
diff --git a/api/field_behavior.pb.go b/api/field_behavior.pb.go
index cdbfde4..fe332cb 100644
--- a/api/field_behavior.pb.go
+++ b/api/field_behavior.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: api/field_behavior.proto
 
 package api
diff --git a/api/http.pb.go b/api/http.pb.go
index 2f84021..2c4bdc7 100644
--- a/api/http.pb.go
+++ b/api/http.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: api/http.proto
 
 package api
diff --git a/api/httpbody.pb.go b/api/httpbody.pb.go
index 6cd67be..7324f4d 100644
--- a/api/httpbody.pb.go
+++ b/api/httpbody.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: api/httpbody.proto
 
 package api
diff --git a/api/micro.pb.go b/api/micro.pb.go
index 06cbf93..c680072 100644
--- a/api/micro.pb.go
+++ b/api/micro.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: api/micro.proto
 
 package api
@@ -42,7 +42,7 @@ type MicroMethod struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Timeout for handler
-	Timeout int32 `protobuf:"varint,1,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	Timeout string `protobuf:"bytes,1,opt,name=timeout,proto3" json:"timeout,omitempty"`
 	// ServerOptions contains options for server
 	ServerOptions []string `protobuf:"bytes,2,rep,name=server_options,json=serverOptions,proto3" json:"server_options,omitempty"`
 	// ClientOptions contains options for client
@@ -83,11 +83,11 @@ func (*MicroMethod) Descriptor() ([]byte, []int) {
 	return file_api_micro_proto_rawDescGZIP(), []int{0}
 }
 
-func (x *MicroMethod) GetTimeout() int32 {
+func (x *MicroMethod) GetTimeout() string {
 	if x != nil {
 		return x.Timeout
 	}
-	return 0
+	return ""
 }
 
 func (x *MicroMethod) GetServerOptions() []string {
@@ -176,7 +176,7 @@ var file_api_micro_proto_rawDesc = []byte{
 	0x0a, 0x0f, 0x61, 0x70, 0x69, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x12, 0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x22, 0x89, 0x01, 0x0a,
 	0x0b, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x4d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x12, 0x18, 0x0a, 0x07,
-	0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x07, 0x74,
+	0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x74,
 	0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x25, 0x0a, 0x0e, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72,
 	0x5f, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0d,
 	0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x25, 0x0a,
diff --git a/codec/frame.pb.go b/codec/frame.pb.go
index 52dad5f..923af19 100644
--- a/codec/frame.pb.go
+++ b/codec/frame.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: codec/frame.proto
 
 package codec
diff --git a/errors/errors.pb.go b/errors/errors.pb.go
index 463c9ac..f1d78ff 100644
--- a/errors/errors.pb.go
+++ b/errors/errors.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: errors/errors.proto
 
 package errors
diff --git a/openapiv2/annotations.pb.go b/openapiv2/annotations.pb.go
index eac9827..1117480 100644
--- a/openapiv2/annotations.pb.go
+++ b/openapiv2/annotations.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: openapiv2/annotations.proto
 
 package openapiv2
diff --git a/openapiv2/openapiv2.pb.go b/openapiv2/openapiv2.pb.go
index d8ffc1a..67b01e9 100644
--- a/openapiv2/openapiv2.pb.go
+++ b/openapiv2/openapiv2.pb.go
@@ -17,7 +17,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: openapiv2/openapiv2.proto
 
 package openapiv2
diff --git a/openapiv3/annotations.pb.go b/openapiv3/annotations.pb.go
index fce9b2b..237df37 100644
--- a/openapiv3/annotations.pb.go
+++ b/openapiv3/annotations.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: openapiv3/annotations.proto
 
 package openapiv3
diff --git a/openapiv3/openapiv3.pb.go b/openapiv3/openapiv3.pb.go
index 5246acb..e81407c 100644
--- a/openapiv3/openapiv3.pb.go
+++ b/openapiv3/openapiv3.pb.go
@@ -17,7 +17,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: openapiv3/openapiv3.proto
 
 package openapiv3
diff --git a/tag/tag.pb.go b/tag/tag.pb.go
index 77da407..adbb5fe 100644
--- a/tag/tag.pb.go
+++ b/tag/tag.pb.go
@@ -15,7 +15,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.19.4
+// 	protoc        v3.21.9
 // source: tag/tag.proto
 
 package tag