diff --git a/roles/robosignatory/files/robosignatory.production.py b/roles/robosignatory/files/robosignatory.production.py
index 66a9ef6743..bae63c46c4 100644
--- a/roles/robosignatory/files/robosignatory.production.py
+++ b/roles/robosignatory/files/robosignatory.production.py
@@ -179,6 +179,10 @@ config = {
             'directory': '/mnt/fedora_koji/koji/compose/ostree/27/',
             'key': 'fedora-27'
         },
+        'fedora/27/x86_64/testing/atomic-host': {
+            'directory': '/mnt/fedora_koji/koji/compose/updates/atomic/',
+            'key': 'fedora-27'
+        },
         'fedora/rawhide/x86_64/atomic-host': {
             'directory': '/mnt/fedora_koji/koji/compose/atomic/rawhide/',
             'key': 'fedora-28'