diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d82ac4d..0000a12 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: GitHub Action for SwiftLint
         uses: norio-nomura/action-swiftlint@3.2.1
         with:
@@ -68,7 +68,7 @@ jobs:
           - { platform: watchOS, name: "watchOS 10.4", xcode: "Xcode_15.3", runsOn: macOS-14, destination: "OS=10.4,name=Apple Watch Series 9 (45mm)" }
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Run tests - ${{ matrix.name }}
         run: |
           xcodebuild test \
@@ -94,6 +94,6 @@ jobs:
           - { name: "macOS 14, SPM 5.10.0", xcode: "Xcode_15.3", runsOn: macOS-14 }
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: Build with Swift Package Manager - ${{ matrix.name }}
         run: swift build -c release
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