diff --git a/modules/release_guide/pages/sop_mass_branching.adoc b/modules/release_guide/pages/sop_mass_branching.adoc
index f719fe4..3d8bad2 100644
--- a/modules/release_guide/pages/sop_mass_branching.adoc
+++ b/modules/release_guide/pages/sop_mass_branching.adoc
@@ -239,6 +239,9 @@ Update the koji hub config to allow side tags for new koji rawhide (currently f{
 
 Please check the file `roles/koji_hub/templates/hub.conf.j2` from the https://pagure.io/fedora-infra/ansible/c/549e5d3ace41c04fdbef9d81f359f16c2fe0c2fa?branch=main[commit] for your reference.
 
+Also, update the `roles/koji_hub/templates/koji-gc.conf.j2` file to list the new release
+keys and retention.
+
 === Robosignatory
 
 Robosignatory has two parts, which can be found in