diff --git a/files/chroot_build.sh b/files/chroot_build.sh
index 35f457a..8f3079c 100755
--- a/files/chroot_build.sh
+++ b/files/chroot_build.sh
@@ -105,7 +105,8 @@ apt-get install -y -qq -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="
   gcc \
   dkms \
   iwd \
-  apple-t2-audio-config
+  apple-t2-audio-config \
+  t2-kernel-script
 
 echo >&2 "===]> Info: Change initramfs format (for grub)... "
 sed -i "s/COMPRESS=lz4/COMPRESS=gzip/g" "/etc/initramfs-tools/initramfs.conf"