diff --git a/schema.json b/schema.json
index 6462464..8b22503 100644
--- a/schema.json
+++ b/schema.json
@@ -5,11 +5,6 @@
     "$schema": {
       "type": "string"
     },
-    "commitMessage": {
-      "description": "The commit message and the title for the pull request.",
-      "default": "deno: update imports",
-      "type": "string"
-    },
     "allowBreaking": {
       "description": "Allow breaking updates (major releases).",
       "default": false,
@@ -19,6 +14,11 @@
       "description": "Allow unstable updates (prereleases).",
       "default": false,
       "type": "boolean"
+    },
+    "readOnly": {
+      "description": "Perform a dry run.",
+      "default": false,
+      "type": "boolean"
     }
   }
-}
+}
\ No newline at end of file