diff --git a/build/cSpell.json b/build/cSpell.json
index 53432b651001..c62cc3d5e86d 100644
--- a/build/cSpell.json
+++ b/build/cSpell.json
@@ -28,6 +28,7 @@
 	"devs",
 	"dbus",
 	"Dismissable",
+	"dmgbuild",
 	"Docfx",
 	"ellipsize",
 	"Entra",