diff --git a/roles/robosignatory/files/robosignatory.production.py b/roles/robosignatory/files/robosignatory.production.py
index ca892987ab..0c0f81280a 100644
--- a/roles/robosignatory/files/robosignatory.production.py
+++ b/roles/robosignatory/files/robosignatory.production.py
@@ -45,10 +45,10 @@ config = {
                     "keyid": "9db62fb1"
                 },
                 {
-                    "from": "f27-gnome",
-                    "to": "f27-gnome",
-                    "key": "fedora-27",
-                    "keyid": "f5282ee4"
+                    "from": "f28-ruby",
+                    "to": "f28-ruby",
+                    "key": "fedora-28",
+                    "keyid": "9db62fb1"
                 },
 
                 # Infra tags