diff --git a/grouper-appliance.json b/grouper-appliance.json
index bd84099..e4418e4 100644
--- a/grouper-appliance.json
+++ b/grouper-appliance.json
@@ -3,7 +3,7 @@
   "description": "Grouper appliance ",
   "variables": {
       "profile": "xfs",
-      "disk_size": "8192",
+      "disk_size": "20000",
       "memory": "2048",
       "cpus": "1",
       "guest_os_type": "RedHat_64",