diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bd3527b..d731626 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
           ]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - name: setup python
         uses: actions/setup-python@v2
         with:
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 82d17ce..7ff5279 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v6
       - name: setup python
         uses: actions/setup-python@v2
         with: