diff --git a/Dockerfile b/Dockerfile
index 2d7263b..e7aa931 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,11 @@
-FROM python:3.12.0a1-alpine as builder
+FROM python:3.13.0b3-alpine as builder
 COPY . /app
 WORKDIR /app
 RUN pip install flake8==3.8.4
 RUN flake8 --ignore=E501,F401,W605 .
 RUN pip wheel . --no-cache-dir --wheel-dir /usr/src/app/wheels
 
-FROM python:3.12.0a1-alpine
+FROM python:3.13.0b3-alpine
 ENV PYTHONUNBUFFERED 1
 COPY --from=builder /usr/src/app/wheels /wheels
 RUN pip install --no-cache /wheels/* \