diff --git a/.gitignore b/.gitignore
index f32c676..3ed6fe8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 mousedemo.lst
 Mouse.xcodeproj/project.xcworkspace/xcuserdata/qd.xcuserdatad/UserInterfaceState.xcuserstate
 Mouse.xcodeproj/project.xcworkspace/xcshareddata
+/.DS_Store