diff --git a/Dockerfile b/Dockerfile
index 6f575e5..2e99416 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3@sha256:c5b1261d6d3e43071626931fc004f70149baeba2c8ec672bd4f27761f8e1ad6b AS builder
+FROM alpine:3 AS builder
 ARG MDNS_REPEATER_VERSION=local
 WORKDIR /
 COPY mdns-repeater.c mdns-repeater.c