diff --git a/.gitignore b/.gitignore
index cf5eecb..f32f00b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,6 @@
 .RData
 *.pper
 *.pper
+.DS_Store
+.Rproj.user/AF86C25B/pcs/source-pane.pper
+.Rproj.user/AF86C25B/pcs/windowlayoutstate.pper