diff --git a/{{cookiecutter.hyphenated}}/.editorconfig b/{{cookiecutter.hyphenated}}/.editorconfig
index d4a2c44..81bdfde 100644
--- a/{{cookiecutter.hyphenated}}/.editorconfig
+++ b/{{cookiecutter.hyphenated}}/.editorconfig
@@ -1,4 +1,4 @@
-# http://editorconfig.org
+# https://editorconfig.org
 
 root = true
 
@@ -14,6 +14,9 @@ end_of_line = lf
 indent_style = tab
 end_of_line = crlf
 
+[{*.yml,*.yaml}]
+indent_size = 2
+
 [LICENSE]
 insert_final_newline = false