diff --git a/.editorconfig b/.editorconfig
index 242859d822f..686c443ceca 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -13,5 +13,5 @@ charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[composer.json]
+[composer.{json,lock}]
 indent_size = 4