diff --git a/archived/ml-pipeline-with-workflows/services/preprocess/Dockerfile b/archived/ml-pipeline-with-workflows/services/preprocess/Dockerfile
index 942ed769ea..2115b5c502 100644
--- a/archived/ml-pipeline-with-workflows/services/preprocess/Dockerfile
+++ b/archived/ml-pipeline-with-workflows/services/preprocess/Dockerfile
@@ -14,7 +14,7 @@
 
 # Use the official lightweight Python image.
 # https://hub.docker.com/_/python
-FROM python:3.8-slim
+FROM python:3.14.0rc2-slim
 
 # Allow statements and log messages to immediately appear in the Knative logs
 ENV PYTHONUNBUFFERED True