diff --git a/Dockerfile b/Dockerfile
index f6086a87..bfbdb451 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # This part installs deps needed at runtime.
-FROM python:3.11-slim as common
+FROM python:3.11-slim AS common
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
@@ -14,7 +14,7 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # This part adds deps needed only at buildtime.
-FROM common as build
+FROM common AS build
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \