diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 935cf46..65a862d 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -13,7 +13,7 @@ jobs:
         python-version: [ "3.10", "3.11", "3.12", "3.13" ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install Python
         uses: actions/setup-python@v6
         with:
@@ -41,7 +41,7 @@ jobs:
   smoke-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Install Python
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/publish-docs-on-master.yaml b/.github/workflows/publish-docs-on-master.yaml
index a6c6187..c00e610 100644
--- a/.github/workflows/publish-docs-on-master.yaml
+++ b/.github/workflows/publish-docs-on-master.yaml
@@ -14,7 +14,7 @@ jobs:
         python-version: [ "3.12" ]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Configure Git Credentials
         run: |
           git config user.name github-actions[bot]
diff --git a/.github/workflows/publish-to-pypi.yaml b/.github/workflows/publish-to-pypi.yaml
index 9aa7223..b73dc06 100644
--- a/.github/workflows/publish-to-pypi.yaml
+++ b/.github/workflows/publish-to-pypi.yaml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Set up Python 3.x
         uses: actions/setup-python@v6
         with: