diff --git a/lib/options.json b/lib/options.json
index 0d63647b..e4546157 100644
--- a/lib/options.json
+++ b/lib/options.json
@@ -39,5 +39,5 @@
       "type": [ "string", "boolean" ]
     }
   },
-  "additionalProperties": false
+  "additionalProperties": true
 }