diff --git a/.github/workflows/docker_build.yml b/.github/workflows/docker_build.yml
index 987eb23..90e103d 100644
--- a/.github/workflows/docker_build.yml
+++ b/.github/workflows/docker_build.yml
@@ -27,7 +27,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: make date tag
         id: mkdatetag
diff --git a/.github/workflows/updater.yaml b/.github/workflows/updater.yaml
index 0104c8f..df8943b 100644
--- a/.github/workflows/updater.yaml
+++ b/.github/workflows/updater.yaml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           # [Required] Access token with `workflow` scope.
           token: ${{ secrets.WORKFLOW_SECRET }}
diff --git a/.github/workflows/workers_build.yml b/.github/workflows/workers_build.yml
index 6d164d4..dff3fd0 100644
--- a/.github/workflows/workers_build.yml
+++ b/.github/workflows/workers_build.yml
@@ -53,7 +53,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: set debug info
         id: set_debug
diff --git a/.github/workflows/workspaces_build.yml b/.github/workflows/workspaces_build.yml
index b554c68..ab70ea0 100644
--- a/.github/workflows/workspaces_build.yml
+++ b/.github/workflows/workspaces_build.yml
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set env date and hash
         id: setenv_vars
diff --git a/.github/workflows/workspaces_build_sl7.yml b/.github/workflows/workspaces_build_sl7.yml
index c30bd17..07e80da 100644
--- a/.github/workflows/workspaces_build_sl7.yml
+++ b/.github/workflows/workspaces_build_sl7.yml
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: set env date and hash
         id: setenv_vars