diff --git a/.github/workflows/add_pages_doc.yml b/.github/workflows/add_pages_doc.yml
index 1bcea00..8af1d0a 100644
--- a/.github/workflows/add_pages_doc.yml
+++ b/.github/workflows/add_pages_doc.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.repository == 'DeePTB-Lab/dpnegf'
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index 4634c08..1b9b731 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/image.yml b/.github/workflows/image.yml
index 9dfab72..afc29aa 100644
--- a/.github/workflows/image.yml
+++ b/.github/workflows/image.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
       - name: Checkout repository with full history
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           # ✅ 关键修改：获取所有历史记录和标签，以便动态版本控制能够工作
           fetch-depth: 0
diff --git a/.github/workflows/unit_test.yml b/.github/workflows/unit_test.yml
index 203ced8..3096f0a 100644
--- a/.github/workflows/unit_test.yml
+++ b/.github/workflows/unit_test.yml
@@ -20,7 +20,7 @@ jobs:
     container: ghcr.io/deeptb-lab/dpnegf-main:latest
     steps: 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0