diff --git a/.gitignore b/.gitignore
index 0055b0a..00182a2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .DS_Store
 **/mainboard-backups/
+~mainboard.kicad_sch.lck
\ No newline at end of file