diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 55e0cbf7..bbfeb538 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
@@ -34,7 +34,7 @@ jobs:
         shell: "bash -l {0}"
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -87,7 +87,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Prepare System Environment
         run: |
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index d634dba0..0c2ad8ec 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create sdist
         shell: bash -l {0}
@@ -50,7 +50,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Install SSH Key
         uses: shimataro/ssh-key-action@v2