diff --git a/package.json b/package.json
index 818194e..6457d59 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
   },
   "prettier": {
     "printWidth": 90,
-    "semi": false
+    "semi": false,
+    "trailingComma": "none"
   }
 }