diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 1305c21..309b21c 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -6,7 +6,7 @@ jobs:
   ruff-lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python 3.13
       uses: actions/setup-python@v5
       with:
@@ -26,7 +26,7 @@ jobs:
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12", "pypy3.10"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -61,7 +61,7 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -84,7 +84,7 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -107,7 +107,7 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -126,7 +126,7 @@ jobs:
     if: github.ref == 'refs/heads/main'
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: technote-space/get-diff-action@v6
       with:
         FILES: |