diff --git a/.prettierrc.yaml b/.prettierrc.yaml
index 3718c2a..26aa0bc 100644
--- a/.prettierrc.yaml
+++ b/.prettierrc.yaml
@@ -2,3 +2,4 @@ semi: false
 singleQuote: true
 endOfLine: lf
 bracketSpacing: true
+trailingComma: es5