diff --git a/.gitignore b/.gitignore
index a80e7ca..f3ecf41 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 .mutt/tmp/
 .zsh/.zcompdump*
 .vim/bundle/
+.vim/undo/
 .config/openbox/menu.xml
 .ssh/authorized_keys
 .ssh/id_rsa*