diff --git a/Dockerfile.isar b/Dockerfile.isar
index 6f2ee3d..cf488d9 100644
--- a/Dockerfile.isar
+++ b/Dockerfile.isar
@@ -8,7 +8,7 @@ RUN apt-get update && \
             autoconf automake gdisk libtool bash-completion \
             sudo grub2 grub-efi-amd64-bin grub-efi-ia32-bin \
             reprepro python3 binfmt-support e2fsprogs \
-            multistrap qemu-user-static debootstrap && \
+            multistrap qemu-user-static debootstrap quilt && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp*