diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c05cc9db..91bda970 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
         - '3.12'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: setup python
       uses: actions/setup-python@v4
       with:
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index c7531210..fe5ec710 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: setup python
         uses: actions/setup-python@v4
         with: