diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0ddedfa..5a51a99 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5208925..4a4208e 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,7 +13,7 @@ jobs:
        id-token: write
      steps:
        - name: Checkout
-         uses: actions/checkout@v4
+         uses: actions/checkout@v5
        - name: Set up Python
          uses: actions/setup-python@v5
          with:
diff --git a/.github/workflows/regen.yml b/.github/workflows/regen.yml
index 9a35f61..dc062f2 100644
--- a/.github/workflows/regen.yml
+++ b/.github/workflows/regen.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 4a5c707..ace8939 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Python
         uses: actions/setup-python@v5
         with: