diff --git a/.gitignore b/.gitignore
index fba7613..0ce7e5d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 /target
 
-Cargo.lock
\ No newline at end of file
+Cargo.lock
+
+*~undo-tree~
\ No newline at end of file