diff --git a/backend/docker/Dockerfile b/backend/docker/Dockerfile
index 85187478b..c3eb1ad12 100644
--- a/backend/docker/Dockerfile
+++ b/backend/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14.6-slim
+FROM python:3.15.0b3-slim
 
 ADD tools /src/tools
 ADD backend /src/backend