diff --git a/examples/xds-sotw-config-server/Dockerfile b/examples/xds-sotw-config-server/Dockerfile
index 278daa309..cf36fc6b6 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:1.25.3@sha256:6ea52a02734dd15e943286b048278da1e04eca196a564578d718c7720433dbbe AS build
 WORKDIR /xds-server
 
 COPY . .