diff --git a/examples/v1beta1/trial-images/mxnet-mnist/Dockerfile b/examples/v1beta1/trial-images/mxnet-mnist/Dockerfile
index e1b47385b01..09e08d977f1 100644
--- a/examples/v1beta1/trial-images/mxnet-mnist/Dockerfile
+++ b/examples/v1beta1/trial-images/mxnet-mnist/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.0a3-slim
+FROM python:3.14.0a1-slim
 
 ADD examples/v1beta1/trial-images/mxnet-mnist /opt/mxnet-mnist
 WORKDIR /opt/mxnet-mnist