diff --git a/examples/xds-sotw-config-server/Dockerfile b/examples/xds-sotw-config-server/Dockerfile
index 278daa309..75411cf45 100644
--- a/examples/xds-sotw-config-server/Dockerfile
+++ b/examples/xds-sotw-config-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.24.5@sha256:14fd8a55e59a560704e5fc44970b301d00d344e45d6b914dda228e09f359a088 AS build
+FROM golang:1.25.1@sha256:a5e935dbd8bc3a5ea24388e376388c9a69b40628b6788a81658a801abbec8f2e AS build
 WORKDIR /xds-server
 
 COPY . .