diff --git a/.github/workflows/ci-prb.yml b/.github/workflows/ci-prb.yml
index 517988f3..1b1529f0 100644
--- a/.github/workflows/ci-prb.yml
+++ b/.github/workflows/ci-prb.yml
@@ -16,7 +16,7 @@ jobs:
         os: [ ubuntu-latest ]
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/ci-release-docs.yml b/.github/workflows/ci-release-docs.yml
index 4b7dd427..ac8a7e4f 100644
--- a/.github/workflows/ci-release-docs.yml
+++ b/.github/workflows/ci-release-docs.yml
@@ -9,7 +9,7 @@ jobs:
     name: Python Doc Builder
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/ci-release.yml b/.github/workflows/ci-release.yml
index d34c63cc..7acae3ff 100644
--- a/.github/workflows/ci-release.yml
+++ b/.github/workflows/ci-release.yml
@@ -14,7 +14,7 @@ jobs:
     permissions:
       id-token: write
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/ci-snapshot.yml b/.github/workflows/ci-snapshot.yml
index b68934f8..befa6e0e 100644
--- a/.github/workflows/ci-snapshot.yml
+++ b/.github/workflows/ci-snapshot.yml
@@ -11,7 +11,7 @@ jobs:
     name: Python Snapshot Builder
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python
       uses: actions/setup-python@v6
       with: