diff --git a/Dockerfile b/Dockerfile
index 05482af..e8ac570 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,12 +4,12 @@
 FROM lukemathwalker/cargo-chef:latest-rust-slim AS chef
 WORKDIR /chhoto-url
 
-FROM chef as planner
+FROM chef AS planner
 COPY ./actix/Cargo.toml ./actix/Cargo.lock ./
 COPY ./actix/src ./src
 RUN cargo chef prepare --recipe-path recipe.json
 
-FROM chef as builder
+FROM chef AS builder
 ARG target=x86_64-unknown-linux-musl
 RUN apt-get update && apt-get install -y musl-tools
 RUN rustup target add $target
diff --git a/Dockerfile.multiarch b/Dockerfile.multiarch
index fdad813..a5b079a 100644
--- a/Dockerfile.multiarch
+++ b/Dockerfile.multiarch
@@ -1,13 +1,13 @@
 # SPDX-FileCopyrightText: 2023 Sayantan Santra <sayantan.santra689@gmail.com>
 # SPDX-License-Identifier: MIT
 
-FROM scratch as builder-amd64
+FROM scratch AS builder-amd64
 COPY ./actix/target/x86_64-unknown-linux-musl/release/chhoto-url /chhoto-url
 
-FROM scratch as builder-arm64
+FROM scratch AS builder-arm64
 COPY ./actix/target/aarch64-unknown-linux-musl/release/chhoto-url /chhoto-url
 
-FROM scratch as builder-arm
+FROM scratch AS builder-arm
 COPY ./actix/target/armv7-unknown-linux-musleabihf/release/chhoto-url /chhoto-url
 
 ARG TARGETARCH