diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 104d6cf..910674c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ jobs:
         python-version: ["3.11", "3.12", "3.13"]
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/deploy-sdist.yaml b/.github/workflows/deploy-sdist.yaml
index 7a89317..4be9e1b 100644
--- a/.github/workflows/deploy-sdist.yaml
+++ b/.github/workflows/deploy-sdist.yaml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Create dist packages
         shell: bash -l {0}