diff --git a/alerts/disk.yml b/alerts/disk.yml
index 06fb3ae..43cfcee 100644
--- a/alerts/disk.yml
+++ b/alerts/disk.yml
@@ -3,3 +3,5 @@
 # update 6 (2026-04)
 
 # update 17 (2026-04)
+
+# update 28 (2026-04)