diff --git a/Makefile b/Makefile
index 84276f9..8ab232e 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,7 @@ $(O)/.ready: \
 		installonly.packages \
 		busybox.symlinks \
 		$(O)/linux/arch/arm64/boot/Image.gz \
+		$(shell find overlay -type f) \
 		$(O)/.host-tools \
 		$(O)/.built
 	./build-rootfs.sh