diff --git a/.github/workflows/CD-publish_to_pypi.yml b/.github/workflows/CD-publish_to_pypi.yml
index 9c73a1f9..030943fb 100644
--- a/.github/workflows/CD-publish_to_pypi.yml
+++ b/.github/workflows/CD-publish_to_pypi.yml
@@ -48,7 +48,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/CD-test_publish_to_pypi.yml b/.github/workflows/CD-test_publish_to_pypi.yml
index e9d707c5..35bb3e83 100644
--- a/.github/workflows/CD-test_publish_to_pypi.yml
+++ b/.github/workflows/CD-test_publish_to_pypi.yml
@@ -17,7 +17,7 @@ jobs:
       id-token: write  # Required for OIDC
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Install uv
         uses: astral-sh/setup-uv@v7
         with:
diff --git a/.github/workflows/CI-codeql.yml b/.github/workflows/CI-codeql.yml
index a65a80e9..295549e8 100644
--- a/.github/workflows/CI-codeql.yml
+++ b/.github/workflows/CI-codeql.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/CI-e2e.yml b/.github/workflows/CI-e2e.yml
index 224ca881..6e5442ad 100644
--- a/.github/workflows/CI-e2e.yml
+++ b/.github/workflows/CI-e2e.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: astral-sh/setup-uv@v6
 
diff --git a/.github/workflows/CI-pytests.yml b/.github/workflows/CI-pytests.yml
index cb9b7bb7..35825c1d 100644
--- a/.github/workflows/CI-pytests.yml
+++ b/.github/workflows/CI-pytests.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v7
diff --git a/.github/workflows/vhs.yml b/.github/workflows/vhs.yml
index 3f479b4e..c281005c 100644
--- a/.github/workflows/vhs.yml
+++ b/.github/workflows/vhs.yml
@@ -10,7 +10,7 @@ jobs:
   vhs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v7