diff --git a/Dockerfile b/Dockerfile
index d54ca2e..df82a0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # From original Dockerfile at https://github.com/TheCommsChannel/TC2-BBS-mesh
-FROM --platform=$BUILDPLATFORM python:alpine
+FROM --platform=$BUILDPLATFORM python:3.13.9-alpine
 
 # Switch to non-root user
 RUN adduser --disabled-password mesh