diff --git a/dev/django.Dockerfile b/dev/django.Dockerfile
index 2b49d399..0f27ff99 100644
--- a/dev/django.Dockerfile
+++ b/dev/django.Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.0a6-slim
+FROM python:3.13.0b4-slim
 # Install system libraries for Python packages:
 # * psycopg2
 RUN apt-get update && \