diff --git a/shibboleth-appliance.json b/shibboleth-appliance.json
index ee114f6..e3cccf9 100644
--- a/shibboleth-appliance.json
+++ b/shibboleth-appliance.json
@@ -4,8 +4,9 @@
   "variables": {
       "profile": "xfs",
       "disk_size": "20000",
-      "memory": "6122",
-      "cpus": "2",
+      "memory": "2048",
+      "cpus": "1",
+      "guest_os_type": "RedHat_64",
       "ssh_username": "centos",
       "ssh_password": "centos",
       "region": "us-west-1",