diff --git a/Dockerfile.model b/Dockerfile.model
index 970ac5c..b65286d 100644
--- a/Dockerfile.model
+++ b/Dockerfile.model
@@ -1,5 +1,5 @@
 # build stage
-FROM python:3.12-slim-bookworm as BUILDER
+FROM python:3.12-slim-bookworm AS builder
 
 # set environment variables
 ENV PYTHONUNBUFFERED=1 \
diff --git a/Dockerfile.web_ui b/Dockerfile.web_ui
index ab5b046..ab28fab 100644
--- a/Dockerfile.web_ui
+++ b/Dockerfile.web_ui
@@ -1,5 +1,5 @@
 # build stage
-FROM python:3.12-slim-bookworm as BUILDER
+FROM python:3.12-slim-bookworm AS builder
 
 # set environment variables
 ENV PYTHONUNBUFFERED=1 \