diff --git a/Dockerfile b/Dockerfile
index 6138850..ada21b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim-bullseye
+FROM docker.io/library/python:3.11-slim-bullseye as base
 
 LABEL base_image="python:3.11-slim"
 LABEL about.home="https://github.com/Clinical-Genomics/genotype-api"