diff --git a/common/models/challenge.json b/common/models/challenge.json
index aa6ef85ef3..dfc8c9c4a9 100644
--- a/common/models/challenge.json
+++ b/common/models/challenge.json
@@ -8,6 +8,9 @@
       "type": "string",
       "unique": true
     },
+    "dashedName": {
+      "type": "string"
+    },
     "difficulty": {
       "type": "string"
     },