diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 19b9403..f95c0e0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
   SwiftLint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: GitHub Action for SwiftLint
         uses: norio-nomura/action-swiftlint@3.2.1
         with:
@@ -39,7 +39,7 @@ jobs:
             runsOn: macOS-14
             name: "macOS 14, SPM 6.0.2 Test"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: ${{ matrix.name }}
         run: xcodebuild test -scheme "pulse" -destination "platform=macOS" clean -enableCodeCoverage YES -resultBundlePath "test_output/${{ matrix.name }}.xcresult" || exit 1
       - name: Upload test coverage reports to Codecov
@@ -64,7 +64,7 @@ jobs:
             xcode: "Xcode_16.1"
             runsOn: macOS-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: ${{ matrix.name }}
         run: xcodebuild test -scheme "pulse" -destination "${{ matrix.destination }}" clean -enableCodeCoverage YES -resultBundlePath "test_output/${{ matrix.name }}.xcresult" || exit 1
 
@@ -83,7 +83,7 @@ jobs:
             xcode: "Xcode_16.1"
             runsOn: macOS-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: ${{ matrix.name }}
         run: xcodebuild test -scheme "pulse" -destination "${{ matrix.destination }}" clean -enableCodeCoverage YES -resultBundlePath "test_output/${{ matrix.name }}.xcresult" || exit 1
       - name: Upload test coverage reports to Codecov
@@ -108,7 +108,7 @@ jobs:
             xcode: "Xcode_16.1"
             runsOn: macOS-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: ${{ matrix.name }}
         run: xcodebuild test -scheme "pulse" -destination "${{ matrix.destination }}" clean -enableCodeCoverage YES -resultBundlePath "test_output/${{ matrix.name }}.xcresult" || exit 1
       - name: Upload test coverage reports to Codecov
@@ -132,7 +132,7 @@ jobs:
             xcode: "Xcode_16.1"
             runsOn: macOS-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: ${{ matrix.name }}
         run: swift build -c release
 
@@ -157,7 +157,7 @@ jobs:
     env:
       DEVELOPER_DIR: /Applications/Xcode_14.1.app/Contents/Developer
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Discover typos
         run: |
           export PATH="$PATH:/Library/Frameworks/Python.framework/Versions/3.11/bin"
diff --git a/.github/workflows/danger.yml b/.github/workflows/danger.yml
index 55a4794..1031d13 100644
--- a/.github/workflows/danger.yml
+++ b/.github/workflows/danger.yml
@@ -18,7 +18,7 @@ jobs:
           ruby-version: 3.1.4
           bundler-cache: true
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Setup gems
         run: |
           gem install bundler