diff --git a/.gitignore b/.gitignore
index f139e89..0a20f3a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ KiCad/CanGrow/CanGrow.kicad_sch-bak
 KiCad/CanGrow/fp-info-cache
 KiCad/CanGrow/gerber/*.zip
 Arduino/CanGrow/CanGrow.geany
+build/