diff --git a/.github/workflows/build_doc.yml b/.github/workflows/build_doc.yml
index 8a238305b814..1a8f62131747 100644
--- a/.github/workflows/build_doc.yml
+++ b/.github/workflows/build_doc.yml
@@ -40,7 +40,7 @@ jobs:
            //get pullrequest url
            const pr_number = context.payload.issue.number
            return pr_number
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         name: "checkout branch"
         if: steps.get_round.outputs.result != 'stop'
         with:
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index b33503716077..11d93be1ccc8 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: |
         .github/install.sh
diff --git a/.github/workflows/cmake-all.yml b/.github/workflows/cmake-all.yml
index 1eea5e59aa9c..a8528c1a4b6d 100644
--- a/.github/workflows/cmake-all.yml
+++ b/.github/workflows/cmake-all.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: sudo apt-get install -y libboost-dev libboost-program-options-dev libmpfr-dev libeigen3-dev
     - name: configure all
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: sudo bash -e .github/install.sh
     - name: configure all
diff --git a/.github/workflows/delete_doc.yml b/.github/workflows/delete_doc.yml
index 497013a51eb7..8c612e773ff3 100644
--- a/.github/workflows/delete_doc.yml
+++ b/.github/workflows/delete_doc.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: delete directory
       run: |
          set -x
diff --git a/.github/workflows/demo.yml b/.github/workflows/demo.yml
index 07dee6152686..a9a85267b2fa 100644
--- a/.github/workflows/demo.yml
+++ b/.github/workflows/demo.yml
@@ -9,7 +9,7 @@ jobs:
   batch_1:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: .github/install.sh
     - name: run1
@@ -17,7 +17,7 @@ jobs:
   batch_2:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: .github/install.sh
     - name: run2
@@ -25,7 +25,7 @@ jobs:
   batch_3:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: .github/install.sh
     - name: run3
@@ -33,7 +33,7 @@ jobs:
   batch_4:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: install dependencies
       run: .github/install.sh
     - name: run4