diff --git a/x-pack/plugins/rule_registry/server/rule_data_plugin_service/resource_installer.ts b/x-pack/plugins/rule_registry/server/rule_data_plugin_service/resource_installer.ts
index 0460b23dcb1673..97812d53c9f377 100644
--- a/x-pack/plugins/rule_registry/server/rule_data_plugin_service/resource_installer.ts
+++ b/x-pack/plugins/rule_registry/server/rule_data_plugin_service/resource_installer.ts
@@ -314,6 +314,7 @@ export class ResourceInstaller {
               name: ilmPolicyName,
               rollover_alias: primaryNamespacedAlias,
             },
+            auto_expand_replicas: '0-1',
           },
           mappings: {
             dynamic: false,