From 368c6defa264c606d7181398497a152a54f1806d Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Sat, 8 Aug 2026 19:13:57 +0000
Subject: [PATCH] chore(deps): update ubuntu docker tag to v26

---
 src/tools/dockerfile-memo/dockerfile.md    | 2 +-
 src/tools/dockerfile-memo/dockerfile.zh.md | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tools/dockerfile-memo/dockerfile.md b/src/tools/dockerfile-memo/dockerfile.md
index 69cf3693c3..b33ac580ee 100644
--- a/src/tools/dockerfile-memo/dockerfile.md
+++ b/src/tools/dockerfile-memo/dockerfile.md
@@ -13,7 +13,7 @@ INSTRUCTION arguments
 Specifies the base image.
 
 ```Dockerfile
-FROM ubuntu:20.04
+FROM ubuntu:26.04@sha256:678c6550cc43645e08669028bc177f50be4e7c5b8cca677067b1914d4afc7a03
 FROM node:22-alpine
 ```
 
diff --git a/src/tools/dockerfile-memo/dockerfile.zh.md b/src/tools/dockerfile-memo/dockerfile.zh.md
index 5da6296a64..e329a7886b 100644
--- a/src/tools/dockerfile-memo/dockerfile.zh.md
+++ b/src/tools/dockerfile-memo/dockerfile.zh.md
@@ -13,7 +13,7 @@ INSTRUCTION arguments
 指定基础镜像。
 
 ```Dockerfile
-FROM ubuntu:20.04
+FROM ubuntu:26.04@sha256:678c6550cc43645e08669028bc177f50be4e7c5b8cca677067b1914d4afc7a03
 FROM node:22-alpine
 ```