diff --git a/docs/getting-started/configuration.md b/docs/getting-started/configuration.md
index fc78217fbc..1dc1ffc1b1 100644
--- a/docs/getting-started/configuration.md
+++ b/docs/getting-started/configuration.md
@@ -187,6 +187,8 @@ components: {
  },
 ```
 
+> Since [v1.1.0](https://github.com/backstage/backstage/releases/tag/v1.1.0-next.3), you must provide an [explicit sign-in resolver](../auth/identity-resolver.md).
+
 That should be it. You can stop your Backstage App. When you start it again and
 go to your Backstage portal in your browser, you should have your login prompt!