diff --git a/.github/workflows/generator-unit-test.yaml b/.github/workflows/generator-unit-test.yaml
index e42d997..9fc9a56 100644
--- a/.github/workflows/generator-unit-test.yaml
+++ b/.github/workflows/generator-unit-test.yaml
@@ -23,7 +23,7 @@ jobs:
         env:
           SWIFTLY_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Resolve Swift dependencies
         run: swift package resolve
         working-directory: ./Generator
diff --git a/.github/workflows/soundness.yaml b/.github/workflows/soundness.yaml
index 52c24c9..e21cbe0 100644
--- a/.github/workflows/soundness.yaml
+++ b/.github/workflows/soundness.yaml
@@ -11,7 +11,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with: { 'fetch-depth': 0 }
       - name: Install Swift
         uses: vapor/swiftly-action@v0.2
@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install Swift
         uses: vapor/swiftly-action@v0.2
         with:
@@ -44,6 +44,6 @@ jobs:
     timeout-minutes: 1
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run license header check
         run: ./scripts/check-license-headers.sh
diff --git a/.github/workflows/unit-test.yaml b/.github/workflows/unit-test.yaml
index e59a91a..f4dcde9 100644
--- a/.github/workflows/unit-test.yaml
+++ b/.github/workflows/unit-test.yaml
@@ -23,7 +23,7 @@ jobs:
         env:
           SWIFTLY_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Resolve Swift dependencies
         run: swift package resolve
       - name: Run Unit Tests