diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
index 4322bfd..276e81b 100644
--- a/.github/workflows/dotnet.yml
+++ b/.github/workflows/dotnet.yml
@@ -15,7 +15,7 @@ jobs:
 
     name: 构建 Lagrange.XocMat
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
            submodules: 'recursive'
            
@@ -44,7 +44,7 @@ jobs:
     permissions:
          contents: write
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           
diff --git a/.github/workflows/nuget.yml b/.github/workflows/nuget.yml
index f81f2ef..ffadd40 100644
--- a/.github/workflows/nuget.yml
+++ b/.github/workflows/nuget.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
            submodules: 'recursive'
 
diff --git a/.github/workflows/update_submodule.yml b/.github/workflows/update_submodule.yml
index 07505f0..3d97d85 100644
--- a/.github/workflows/update_submodule.yml
+++ b/.github/workflows/update_submodule.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: 签出仓库
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ssh-key: ${{ secrets.DEPLOY_KEY }}