diff --git a/Dockerfile.backend b/Dockerfile.backend
index f055ae9..ae1861d 100644
--- a/Dockerfile.backend
+++ b/Dockerfile.backend
@@ -1,4 +1,4 @@
-FROM python:3.12-slim
+FROM registry.bstein.dev/bstein/python:3.12-slim
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1