diff --git a/schemas/IBM.json b/schemas/IBM.json
index 35a5c62..0a35f23 100644
--- a/schemas/IBM.json
+++ b/schemas/IBM.json
@@ -83,6 +83,9 @@
                     "type": "array",
                     "items": {
                         "enum": [
+                            "ibm,rainier-2u",
+                            "ibm,rainier-4u",
+                            "ibm,rainier"
                         ]
                     }
                 }