diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1b43c66..868e6c2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ build-images:
     stage: build
     script:
       - apt update
-      - apt install -y xorriso curl genisoimage
+      - apt install -y xorriso curl genisoimage cpio
       - curl -O https://laotzu.ftp.acc.umu.se/debian-cd/current/amd64/iso-cd/debian-11.3.0-amd64-netinst.iso
       - xorriso -osirrox on -indev debian-11.3.0-amd64-netinst.iso -extract / ./isofiles
       - chmod +w -R isofiles/