diff --git a/.editorconfig b/.editorconfig
index 4ee89a3..df9fbcb 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,6 +7,11 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 
+[*.gemspec]
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+
 [*.rb]
 indent_style = space
 indent_size = 2