diff --git a/Dockerfile b/Dockerfile
index de2ac40d6..53f8d818c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,11 @@
 # syntax=docker/dockerfile:1
 
 ARG GO_VERSION=1.17
+ARG ALPINE_VERSION=3.16
 ARG XX_VERSION=1.1.1
 
 FROM --platform=$BUILDPLATFORM tonistiigi/xx:${XX_VERSION} AS xx
-FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine AS base
+FROM --platform=$BUILDPLATFORM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS base
 COPY --from=xx / /
 RUN apk add --no-cache bash coreutils file git
 ENV GO111MODULE=auto
@@ -49,7 +50,7 @@ RUN --mount=from=binary,target=/build \
 FROM scratch AS artifact
 COPY --from=releaser /out /
 
-FROM alpine:3.16
+FROM alpine:${ALPINE_VERSION}
 RUN apk add --no-cache ca-certificates
 COPY cmd/registry/config-dev.yml /etc/docker/registry/config.yml
 COPY --from=binary /registry /bin/registry