diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 560e25b1..c82c9508 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21 as builder
+FROM golang:1.21 AS builder
 
 ARG BUILD=now
 ARG REPO=git.frostfs.info/TrueCloudLab/frostfs-s3-gw