diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 78fe6f5..cc88822 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -16,9 +16,9 @@ jobs:
   docker-build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
     - name: 'Go 单元测试'
-      uses: actions/setup-go@v5
+      uses: actions/setup-go@v7
       with:
         go-version: '1.26'
     - name: '运行测试'
@@ -36,7 +36,7 @@ jobs:
     - name: '计算工件名'
       shell: bash
       run: echo "ARTIFACT_NAME=proxyarea-docker-image-${GITHUB_REF_NAME//\//-}" >> "$GITHUB_ENV"
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v7
       with:
         name: ${{ env.ARTIFACT_NAME }}
         path: 'proxyarea-image.tar.gz'
@@ -44,7 +44,7 @@ jobs:
         retention-days: 14
     - name: '上传镜像包到 Release'
       if: github.event_name == 'release' || startsWith(github.ref, 'refs/tags/v')
-      uses: softprops/action-gh-release@v2
+      uses: softprops/action-gh-release@v3
       with:
         tag_name: ${{ github.event.release.tag_name || github.ref_name }}
         files: 'proxyarea-image.tar.gz'
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0124015..fa22ef2 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -25,8 +25,8 @@ jobs:
           - { target: windows-amd64, goos: windows, goarch: amd64, ext: .exe }
           - { target: windows-arm64, goos: windows, goarch: arm64, ext: .exe }
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-go@v5
+    - uses: actions/checkout@v7
+    - uses: actions/setup-go@v7
       with:
         go-version: '1.26'
     - name: '编译 ${{ matrix.target }}'
@@ -42,7 +42,7 @@ jobs:
         else
           tar czf ../proxyarea-${{ matrix.target }}.tar.gz proxyarea
         fi
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v7
       with:
         name: 'proxyarea-${{ matrix.target }}'
         path: '${{ github.workspace }}/proxyarea-${{ matrix.target }}.*'
@@ -54,7 +54,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/download-artifact@v4
+    - uses: actions/download-artifact@v8
       with:
         path: artifacts
         merge-multiple: true
@@ -72,7 +72,7 @@ jobs:
           | sort -z | xargs -0 -r sha1sum > checksums-sha1.txt
     - name: '上传到 Release'
       if: github.event_name != 'workflow_dispatch' || github.event.inputs.tag != ''
-      uses: softprops/action-gh-release@v2
+      uses: softprops/action-gh-release@v3
       with:
         tag_name: ${{ github.event.inputs.tag || github.event.release.tag_name || github.ref_name }}
         files: 'release/*'
diff --git a/Dockerfile b/Dockerfile
index d512e71..aa62d2b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # ---- Build stage ----
-FROM golang:1.25-alpine AS build
+FROM golang:1.27-alpine AS build
 # 通过 goproxy.cn 拉取依赖, 避免在无外网代理环境(如国内网络/受限内网)构建超时
 ENV GOPROXY=https://goproxy.cn,direct
 
@@ -16,7 +16,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags='-s -w' -o /out/proxyar
 
 # ---- Runtime stage ----
 # alpine:latest 会随上游漂移导致不可复现构建; 固定 minor 版本。
-FROM alpine:3.21
+FROM alpine:3.24
 
 RUN apk --no-cache add ca-certificates wget && \
     addgroup -g 1001 -S appgroup && \