diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b606d9..070655b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     
     - name: Select Xcode
       run: sudo xcode-select -switch /Applications/Xcode_${{ matrix.xcode }}.app
@@ -61,7 +61,7 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     
     - name: Build Package
       run: swift build -v
@@ -77,7 +77,7 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     
     - name: Install SwiftLint
       run: brew install swiftlint
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index af0b25d..1ebeabf 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -10,7 +10,7 @@ jobs:
   linkcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Check links
         uses: lycheeverse/lychee-action@v1
         with:
diff --git a/.github/workflows/link-check.yml b/.github/workflows/link-check.yml
index 58c7f0a..9afd935 100644
--- a/.github/workflows/link-check.yml
+++ b/.github/workflows/link-check.yml
@@ -9,7 +9,7 @@ jobs:
   lychee:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: lycheeverse/lychee-action@v1
         with:
           args: --verbose --no-progress --require-https --max-redirects 5 --retry-wait-time 2 --timeout 20s --exclude-private true **/*.md
diff --git a/.github/workflows/md-quality.yml b/.github/workflows/md-quality.yml
index 04fe061..b3d43e2 100644
--- a/.github/workflows/md-quality.yml
+++ b/.github/workflows/md-quality.yml
@@ -6,7 +6,7 @@ jobs:
   quality:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index 5ca98b2..a41e470 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -20,7 +20,7 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: macos-14
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Build Documentation
         run: |
diff --git a/.github/workflows/readme-guard.yml b/.github/workflows/readme-guard.yml
index 464be4e..c7f7dac 100644
--- a/.github/workflows/readme-guard.yml
+++ b/.github/workflows/readme-guard.yml
@@ -10,7 +10,7 @@ jobs:
   guard:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Create review PR for README change
         uses: peter-evans/create-pull-request@v6
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 93229e1..d64814f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -15,7 +15,7 @@ jobs:
     
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0