diff --git a/Dockerfile b/Dockerfile
index 70650b0..27d9406 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Builder
-FROM node:lts as builder
+FROM node:lts AS builder
 LABEL org.opencontainers.image.url=https://github.com/Awesome-Technologies/synapse-admin org.opencontainers.image.source=https://github.com/Awesome-Technologies/synapse-admin
 # Base path for synapse admin
 ARG BASE_PATH=./