diff --git a/.gitignore b/.gitignore
index 59dd37c..c86c34c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .idea/*
-SWE.iml
\ No newline at end of file
+SWE.iml
+*.bak
\ No newline at end of file