diff --git a/doc/development/packages/new_format_development.md b/doc/development/packages/new_format_development.md
index f7d02f9160be7614ce0498dff8b0b41d37849a12..24cdc8c1f8ecdcec710cdeedd2bc833f958efa50 100644
--- a/doc/development/packages/new_format_development.md
+++ b/doc/development/packages/new_format_development.md
@@ -91,7 +91,7 @@ extended when possible to keep the common package logic grouped as much as possi
 
 ### Configuration
 
-GitLab has a `packages` section in its configuration file (`gitlab.rb`).
+GitLab has a `packages` section in its configuration file (`gitlab.rb` or `gitlab.yml`).
 It applies to all package systems supported by GitLab. Usually you don't need
 to add anything there.