diff --git a/schema_galaxies.json b/schema_galaxies.json
index 42a073d..023a883 100644
--- a/schema_galaxies.json
+++ b/schema_galaxies.json
@@ -22,6 +22,9 @@
     },
     "uuid": {
       "type": "string"
+    },
+    "namespace": {
+      "type": "string"
     }
   },
   "required": [