diff --git a/.gitignore b/.gitignore
index 2fe801c..25d6e27 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,3 +32,5 @@ ROMSIMM2MB.4401A/Documentation/Thumbs.db
 ROMSIMM8MB.4402A/Documentation/Thumbs.db
 Documentation/Thumbs.db
 Documentation/~$4402AManual.docx
+ROMSIMM-backups/*
+*.kicad_prl