diff --git a/.prettierrc b/.prettierrc
index 544138b..c1a6f66 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -1,3 +1,4 @@
 {
-  "singleQuote": true
+  "singleQuote": true,
+  "trailingComma": "es5"
 }