diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e6c5c50..cedde03 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,7 +23,7 @@ jobs:
         shell: bash
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/code-style.yml b/.github/workflows/code-style.yml
index d5ca181..6fab27c 100644
--- a/.github/workflows/code-style.yml
+++ b/.github/workflows/code-style.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python 3.9
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index 3a1665d..fac6c16 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -17,7 +17,7 @@ jobs:
         shell: bash
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: ./main
       - name: Setup Python 3.9
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e7fb84c..39a0b50 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python 3.9
         uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 8d72f4d..c0b0f1c 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -27,7 +27,7 @@ jobs:
         shell: bash
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with: