diff --git a/Ruby.gitignore b/Ruby.gitignore
index 560d1a6a..3cca16fa 100644
--- a/Ruby.gitignore
+++ b/Ruby.gitignore
@@ -16,3 +16,11 @@ tmp
 .yardoc
 _yardoc
 doc/
+
+# Windows & MAC rubbish
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Mac crap
+.DS_Store