diff --git a/vendor/docker-nixos/Dockerfile b/vendor/docker-nixos/Dockerfile
index 6794ea8..a9c83bc 100644
--- a/vendor/docker-nixos/Dockerfile
+++ b/vendor/docker-nixos/Dockerfile
@@ -1,5 +1,4 @@
-# FROM quay.io/skiffos/ubuntu:focal as builder
-FROM archlinux:base-devel as builder
+FROM archlinux:base-devel AS builder
 
 RUN pacman --noconfirm -Syu
 RUN pacman --noconfirm -S shadow wget pkg-config autoconf-archive jq boost boost \