diff --git a/Dockerfile b/Dockerfile
index 6dc16fe..0fe2e7d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 # Prepare the base environment.
-FROM python:3.11.11-slim AS builder_base_csw
+FROM python:3.13.2-slim AS builder_base_csw
 LABEL org.opencontainers.image.authors=asi@dbca.wa.gov.au
 LABEL org.opencontainers.image.source=https://github.com/dbca-wa/csw