diff --git a/Dockerfile b/Dockerfile
index 1d9a31a..a520d90 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
-FROM golang:1.22-alpine3.19 AS builder
+ARG ALPINE_VERSION=3.19
+
+FROM golang:1.22-alpine${ALPINE_VERSION} AS builder
 
 WORKDIR /app
 
@@ -10,7 +12,7 @@ COPY . .
 
 RUN go build -o yggdrasil ./cmd/yggdrasil
 
-FROM alpine:3.19 AS runtime
+FROM alpine:${ALPINE_VERSION} AS runtime
 
 WORKDIR /app