diff --git a/packages/backend-plugin-api/report.api.md b/packages/backend-plugin-api/report.api.md
index 30678f124f..52843dec96 100644
--- a/packages/backend-plugin-api/report.api.md
+++ b/packages/backend-plugin-api/report.api.md
@@ -177,6 +177,7 @@ export interface BackstageUserInfo {
 export type BackstageUserPrincipal = {
   type: 'user';
   userEntityRef: string;
+  actor?: BackstageServicePrincipal;
 };
 
 // @public