diff --git a/.editorconfig b/.editorconfig
index c308ed0..0362eaf 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -11,3 +11,6 @@ insert_final_newline = true
 
 [*.md]
 trim_trailing_whitespace = false
+
+[*.rb]
+indent_size = 2