diff --git a/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go b/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go
index 786bf61827ba..79b5dad476c7 100644
--- a/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go
+++ b/credentials/alts/internal/proto/grpc_gcp/handshaker.pb.go
@@ -1071,7 +1071,7 @@ var file_grpc_gcp_handshaker_proto_rawDesc = []byte{
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@@ -1108,139 +1108,140 @@ var file_grpc_gcp_handshaker_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/internal/proto/grpc_lookup_v1/rls_config.pb.go b/internal/proto/grpc_lookup_v1/rls_config.pb.go
index 71d00de10db7..a0be3c8cb268 100644
--- a/internal/proto/grpc_lookup_v1/rls_config.pb.go
+++ b/internal/proto/grpc_lookup_v1/rls_config.pb.go
@@ -271,6 +271,8 @@ type HttpKeyBuilder struct {
 	// for example if you are suppressing a lot of information from the URL, but
 	// need to separately cache and request URLs with that content.
 	ConstantKeys map[string]string `protobuf:"bytes,5,rep,name=constant_keys,json=constantKeys,proto3" json:"constant_keys,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	// If specified, the HTTP method/verb will be extracted under this key name.
+	Method string `protobuf:"bytes,6,opt,name=method,proto3" json:"method,omitempty"`
 }
 
 func (x *HttpKeyBuilder) Reset() {
@@ -340,6 +342,13 @@ func (x *HttpKeyBuilder) GetConstantKeys() map[string]string {
 	return nil
 }
 
+func (x *HttpKeyBuilder) GetMethod() string {
+	if x != nil {
+		return x.Method
+	}
+	return ""
+}
+
 type RouteLookupConfig struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -707,7 +716,7 @@ var file_grpc_lookup_v1_rls_config_proto_rawDesc = []byte{
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@@ -726,58 +735,60 @@ var file_grpc_lookup_v1_rls_config_proto_rawDesc = []byte{
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 var (