diff --git a/.editorconfig b/.editorconfig
index 7c78029..dde7877 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,6 +7,6 @@ charset = utf-8
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[{*.js,*.ts,*.json,*.yml}]
+[{*.js,*.mjs,*.ts,*.json,*.yml}]
 indent_size = 2
 indent_style = space