diff --git a/hw1/.gitignore b/hw1/.gitignore
index d57b37a..c5ecc81 100644
--- a/hw1/.gitignore
+++ b/hw1/.gitignore
@@ -1,3 +1,15 @@
 *.bak
 *.bck
 *.kicad_pcb-bak
+
+# kicad gerber output
+*.gbl
+*.gbs
+*.gbo
+*.gm1
+*.gtl
+*.gts
+*.gbr
+*.gto
+*.drl
+