diff --git a/.github/workflows/_publish-code.yml b/.github/workflows/_publish-code.yml
index 23ae423e..86e853fd 100644
--- a/.github/workflows/_publish-code.yml
+++ b/.github/workflows/_publish-code.yml
@@ -22,7 +22,7 @@ jobs:
     env:
       PYTHON_VERSION: "3.12"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Python ${{ env.PYTHON_VERSION }}
         uses: actions/setup-python@v6
diff --git a/.github/workflows/_publish-docs.yml b/.github/workflows/_publish-docs.yml
index 084f03e2..38e69a5e 100644
--- a/.github/workflows/_publish-docs.yml
+++ b/.github/workflows/_publish-docs.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
diff --git a/.github/workflows/_smoke-test.yml b/.github/workflows/_smoke-test.yml
index 24fe7e1f..e92ffa27 100644
--- a/.github/workflows/_smoke-test.yml
+++ b/.github/workflows/_smoke-test.yml
@@ -25,7 +25,7 @@ jobs:
           - "3.14"
     runs-on: "ubuntu-22.04"
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: recursive
 
diff --git a/.github/workflows/_static-analysis.yml b/.github/workflows/_static-analysis.yml
index 2131052b..d7e315d9 100644
--- a/.github/workflows/_static-analysis.yml
+++ b/.github/workflows/_static-analysis.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         python-version: ["3.12"]
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
diff --git a/.github/workflows/_test-cli.yml b/.github/workflows/_test-cli.yml
index c9d501e4..248f6bc5 100644
--- a/.github/workflows/_test-cli.yml
+++ b/.github/workflows/_test-cli.yml
@@ -31,7 +31,7 @@ jobs:
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         submodules: recursive
 
diff --git a/.github/workflows/_test-integrations.yml b/.github/workflows/_test-integrations.yml
index 3d1b8c19..5eb76ca5 100644
--- a/.github/workflows/_test-integrations.yml
+++ b/.github/workflows/_test-integrations.yml
@@ -24,7 +24,7 @@ jobs:
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         submodules: recursive
 
@@ -80,7 +80,7 @@ jobs:
           - "3.10"
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         submodules: recursive
 
diff --git a/.github/workflows/_test-regressions.yml b/.github/workflows/_test-regressions.yml
index 7c10cf07..8d577ae9 100644
--- a/.github/workflows/_test-regressions.yml
+++ b/.github/workflows/_test-regressions.yml
@@ -21,7 +21,7 @@ jobs:
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         submodules: recursive
 
diff --git a/.github/workflows/_test-units.yml b/.github/workflows/_test-units.yml
index 071051fc..d0f9e350 100644
--- a/.github/workflows/_test-units.yml
+++ b/.github/workflows/_test-units.yml
@@ -23,7 +23,7 @@ jobs:
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         submodules: recursive
 
@@ -65,7 +65,7 @@ jobs:
           - "3.14"
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
       with:
         submodules: recursive
 
diff --git a/.github/workflows/_workflow_lint.yml b/.github/workflows/_workflow_lint.yml
index 8eb21904..0e09112a 100644
--- a/.github/workflows/_workflow_lint.yml
+++ b/.github/workflows/_workflow_lint.yml
@@ -10,7 +10,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Download actionlint
         id: get_actionlint
         run: bash <(curl https://raw.githubusercontent.com/rhysd/actionlint/main/scripts/download-actionlint.bash)