diff --git a/envoy/config/metrics/v3/metrics_service.proto b/envoy/config/metrics/v3/metrics_service.proto
index ad987905..0e078c09 100644
--- a/envoy/config/metrics/v3/metrics_service.proto
+++ b/envoy/config/metrics/v3/metrics_service.proto
@@ -4,6 +4,8 @@ package envoy.config.metrics.v3;
 
 import "envoy/config/core/v3/grpc_service.proto";
 
+import "google/protobuf/wrappers.proto";
+
 import "udpa/annotations/status.proto";
 import "udpa/annotations/versioning.proto";
 import "validate/validate.proto";
@@ -25,4 +27,10 @@ message MetricsServiceConfig {
 
   // The upstream gRPC cluster that hosts the metrics service.
   core.v3.GrpcService grpc_service = 1 [(validate.rules).message = {required: true}];
+
+  // If true, counters are reported as the delta between flushing intervals. Otherwise, the current
+  // counter value is reported. Defaults to false.
+  // Eventually (https://github.com/envoyproxy/envoy/issues/10968) if this value is not set, the
+  // sink will take updates from the :ref:`MetricsResponse <envoy_api_msg_service.metrics.v3.StreamMetricsResponse>`.
+  google.protobuf.BoolValue report_counters_as_deltas = 2;
 }