diff --git a/quiz/index.json b/quiz/index.json
index 19272c0..06fa5b1 100755
--- a/quiz/index.json
+++ b/quiz/index.json
@@ -22,6 +22,6 @@
         "uilayout": "terminal"
     },
     "backend": {
-        "imageid": "ubuntu"
+        "imageid": "ubuntu:2004"
     }
 }