diff --git a/schema_clusters.json b/schema_clusters.json
index 861e560..ba6cfcb 100644
--- a/schema_clusters.json
+++ b/schema_clusters.json
@@ -38,7 +38,7 @@
           },
           "meta": {
             "type": "object",
-            "additionalProperties": false,
+            "additionalProperties": true,
             "properties": {
               "type": {
                 "type": "array",