diff --git a/.prettierrc.json b/.prettierrc.json
index 5ac85e2..789ac2e 100644
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -1,4 +1,5 @@
 {
   "printWidth": 100,
-  "singleQuote": true
+  "singleQuote": true,
+  "trailingComma": "es5"
 }