diff --git a/modules/services/trust-relationship/main.tf b/modules/services/trust-relationship/main.tf
index d8f9f48..71d4da5 100644
--- a/modules/services/trust-relationship/main.tf
+++ b/modules/services/trust-relationship/main.tf
@@ -84,4 +84,8 @@ resource "aws_cloudformation_stack_set_instance" "stackset_instance" {
   deployment_targets {
     organizational_unit_ids = local.org_units_to_deploy
   }
+  operation_preferences {
+    failure_tolerance_count = 10
+    max_concurrent_count    = 10
+  }
 }