diff --git a/docs/samples/v1beta1/transformer/feast/feast_server.Dockerfile b/docs/samples/v1beta1/transformer/feast/feast_server.Dockerfile
index 77467ef4112..44bf3e57505 100644
--- a/docs/samples/v1beta1/transformer/feast/feast_server.Dockerfile
+++ b/docs/samples/v1beta1/transformer/feast/feast_server.Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim
+FROM python:3.14.0a1-slim
 RUN pip install --upgrade pip && pip install "feast[gcp]~=0.30.0" "feast[redis]~=0.30.0" "feast[aws]~=0.30.0"
 ENV FEAST_USAGE=False
 EXPOSE 6566