diff --git a/.gitignore b/.gitignore
index c45099766..fea0aa5fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,7 @@ app/bin/
 app/pde.jar
 build/macosx/work/
 core/bin/
-core/core.jar
\ No newline at end of file
+core/core.jar
+build/macosx/arduino.xcworkspace/contents.xcworkspacedata
+
+build/macosx/arduino.xcworkspace/xcuserdata/mellis.xcuserdatad/UserInterfaceState.xcuserstate