diff --git a/.editorconfig b/.editorconfig
index d656273..e640634 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,9 +1,17 @@
+root = true
+
 [*]
 end_of_line = lf
 insert_final_newline = true
 
 [Makefile]
+indent_size = 4
 indent_style = tab
 
-[*.{c,h}]
+[*.c, *.h]
 indent_size = 4
+indent_style = space
+
+[*.rb, *.gemspec]
+indent_size = 2
+indent_style = space