diff --git a/.github/workflows/code_style.yml b/.github/workflows/code_style.yml
index a1fc041..aca7061 100644
--- a/.github/workflows/code_style.yml
+++ b/.github/workflows/code_style.yml
@@ -11,7 +11,7 @@ jobs:
         python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 4bf0b13..df44eac 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ae4955d..f1e029d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python 3.7
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 62fc7f4..caa6b9b 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -20,7 +20,7 @@ jobs:
         shell: bash
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
@@ -57,7 +57,7 @@ jobs:
         shell: bash
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with: