diff --git a/backend/go.mod b/backend/go.mod
index a874a4f..339aea9 100644
--- a/backend/go.mod
+++ b/backend/go.mod
@@ -1,6 +1,6 @@
 module opencatd-open
 
-go 1.25.0
+go 1.26
 
 require (
 	github.com/gin-contrib/cors v1.7.2
diff --git a/deploy/docker/Dockerfile b/deploy/docker/Dockerfile
index 0de207c..66b5f16 100644
--- a/deploy/docker/Dockerfile
+++ b/deploy/docker/Dockerfile
@@ -11,7 +11,7 @@ RUN npm install -g pnpm@10.25.0 \
 
 # 后端：go.mod 使用纯 Go 的 glebarez/sqlite，可关闭 CGO 直接交叉编译到目标架构，
 # 因此同样固定在原生平台构建
-FROM --platform=$BUILDPLATFORM golang:1.23-alpine AS backend
+FROM --platform=$BUILDPLATFORM golang:1.26-alpine AS backend
 LABEL author="github.com/Sakurasan"
 ARG TARGETOS
 ARG TARGETARCH
diff --git a/deploy/docker/Dockerfile.cn b/deploy/docker/Dockerfile.cn
index d96f4ef..66e489a 100644
--- a/deploy/docker/Dockerfile.cn
+++ b/deploy/docker/Dockerfile.cn
@@ -13,7 +13,7 @@ RUN npm config set registry https://registry.npmmirror.com \
 
 # 后端：go.mod 使用纯 Go 的 glebarez/sqlite，可关闭 CGO 直接交叉编译到目标架构，
 # 因此同样固定在原生平台构建
-FROM --platform=$BUILDPLATFORM golang:1.23-alpine AS backend
+FROM --platform=$BUILDPLATFORM golang:1.26-alpine AS backend
 LABEL author="github.com/Sakurasan"
 ARG TARGETOS
 ARG TARGETARCH