diff --git a/.editorconfig b/.editorconfig
index 38790d10..2bbadef6 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -14,3 +14,7 @@ insert_final_newline = true
 charset = utf-8
 indent_style = space
 indent_size = 4
+
+[*.y{a,}ml]
+indent_size = 2
+indent_style = space