diff --git a/temporal/api/operatorservice/v1/request_response.proto b/temporal/api/operatorservice/v1/request_response.proto
index 48e7d71b5..b4043b6d8 100644
--- a/temporal/api/operatorservice/v1/request_response.proto
+++ b/temporal/api/operatorservice/v1/request_response.proto
@@ -68,6 +68,8 @@ message AddOrUpdateRemoteClusterRequest {
     // Frontend HTTP Address is a cross cluster accessible address for HTTP traffic. This field is optional. If not provided
     //  on update, the existing HTTP address will be removed.
     string frontend_http_address = 3;
+    // Controls whether replication streams are active.
+    bool is_replication_enabled = 4;
 }
 
 message AddOrUpdateRemoteClusterResponse {