diff --git a/devenv/web/Dockerfile b/devenv/web/Dockerfile
index a5ee6479..e2d9d7d8 100644
--- a/devenv/web/Dockerfile
+++ b/devenv/web/Dockerfile
@@ -1,6 +1,6 @@
 # ビルド用コンテナ
 ARG IMAGE_FILE
-FROM --platform=$BUILDPLATFORM oven/bun:1.2.22-alpine AS bun
+FROM --platform=$BUILDPLATFORM oven/bun:1.3.1-alpine AS bun
 FROM $IMAGE_FILE:3.4.4-alpine3.22 AS builder
 RUN apk --no-cache add --virtual build-dependencies \
     build-base \