diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2eda6ef..32dd77c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
         - ubuntu-latest
         python-version: ['3.11', '3.12']
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: setup python
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 9cd4b9f..98f11ef 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: setup python
         uses: actions/setup-python@v6
         with: