diff --git a/.gitignore b/.gitignore
index b25c15b..206569d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,11 @@
+# Compiled
+*.elc
+
+# Packaging
+.cask
+
+# Backup files
 *~
+
+# Undo-tree save-files
+*.~undo-tree