diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 94019cf..10dcacd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     name: Rust testbench build
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install system packages
         run: sudo apt-get update && sudo apt-get install -y libasound2-dev libudev-dev
       - uses: dtolnay/rust-toolchain@stable
@@ -43,7 +43,7 @@ jobs:
     needs: rust
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install system packages
         run: sudo apt-get update && sudo apt-get install -y libasound2-dev libudev-dev
       - uses: dtolnay/rust-toolchain@stable
@@ -88,7 +88,7 @@ jobs:
     needs: rust
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install system packages
         run: sudo apt-get update && sudo apt-get install -y libasound2-dev libudev-dev
       - uses: dtolnay/rust-toolchain@stable
@@ -125,7 +125,7 @@ jobs:
     # Rust 統合テストとは独立し、testbench のビルド成功後に実行する。
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -173,7 +173,7 @@ jobs:
     # Rust 統合テストとは独立し、testbench のビルド成功後に実行する。
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -197,7 +197,7 @@ jobs:
     name: WASM expansion card SDK
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ env.PYTHON_VERSION }}
@@ -209,7 +209,7 @@ jobs:
     name: VS Code extensions
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v5
         with:
           node-version: 22
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index c381d1e..1d2bb59 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
             ext: ""
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - name: Install system packages
         if: runner.os == 'Linux'
         run: sudo apt-get update && sudo apt-get install -y libasound2-dev libudev-dev
@@ -75,7 +75,7 @@ jobs:
     name: VS Code extensions
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v5
         with:
           node-version: 22