diff --git a/.github/workflows/ci.js.yml b/.github/workflows/ci.js.yml
index fc433c8f..014c4519 100644
--- a/.github/workflows/ci.js.yml
+++ b/.github/workflows/ci.js.yml
@@ -30,7 +30,7 @@ jobs:
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with:
diff --git a/.github/workflows/ci.python.yml b/.github/workflows/ci.python.yml
index bfa5fc0c..54a632c0 100644
--- a/.github/workflows/ci.python.yml
+++ b/.github/workflows/ci.python.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: actions/setup-node@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 9221ae02..1c065e6c 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -13,7 +13,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: Use Node.js