diff --git a/examples/xds-sotw-config-server/Dockerfile b/examples/xds-sotw-config-server/Dockerfile
index 8780ad62..77aec63f 100644
--- a/examples/xds-sotw-config-server/Dockerfile
+++ b/examples/xds-sotw-config-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.26.2@sha256:b54cbf583d390341599d7bcbc062425c081105cc5ef6d170ced98ef9d047c716 AS build
+FROM golang:1.26.3@sha256:efaccb5b497e90df3ebe5216cc25cd9f98e73874e2d638b56e38d4a3f098c41c AS build
 WORKDIR /xds-server
 
 COPY . .