diff --git a/Dockerfile b/Dockerfile
index 48d2acf..ac4e0ac 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:3.13 as builder
 LABEL version="1.0" description="OwnTracks Recorder"
 LABEL authors="Jan-Piet Mens <jpmens@gmail.com>, Giovanni Angoli <juzam76@gmail.com>, Amy Nagle <kabili@zyrenth.com>, Malte Deiseroth <mdeiseroth88@gmail.com>"
 MAINTAINER Malte Deiseroth <mdeiseroth88@gmail.com>