diff --git a/.github/workflows/check-dist.yml b/.github/workflows/check-dist.yml
index 6a10549b..44e8471f 100644
--- a/.github/workflows/check-dist.yml
+++ b/.github/workflows/check-dist.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: ./.github/actions/install-dependencies
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f5619e9b..1103b631 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
   ci:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/install-dependencies
       - run: npm run style:check
       - run: npm test
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index fd0e0b12..31fe299c 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 346a57f2..174d915b 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -14,7 +14,7 @@ jobs:
     name: 'Integration test: return'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - id: output-set
         uses: ./
         with:
@@ -34,7 +34,7 @@ jobs:
     name: 'Integration test: relative-path require'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - id: relative-require
         uses: ./
         with:
@@ -52,7 +52,7 @@ jobs:
     name: 'Integration test: npm package require'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/install-dependencies
       - id: npm-require
         uses: ./
@@ -72,7 +72,7 @@ jobs:
     name: 'Integration test: GraphQL previews option'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/install-dependencies
       - id: previews-default
         name: Default previews not set
@@ -125,7 +125,7 @@ jobs:
     name: 'Integration test: user-agent option'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/install-dependencies
       - id: user-agent-default
         name: Default user-agent not set
@@ -182,7 +182,7 @@ jobs:
     name: "Integration test: debug option (runner.debug mode ${{ matrix.environment && 'enabled' || 'disabled' }})"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/install-dependencies
       - id: debug-default
         name: Default debug not set
@@ -256,7 +256,7 @@ jobs:
     name: 'Integration test: base-url option'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./.github/actions/install-dependencies
 
       - id: base-url-default
diff --git a/.github/workflows/licensed.yml b/.github/workflows/licensed.yml
index e8eb6d0d..f92b2758 100644
--- a/.github/workflows/licensed.yml
+++ b/.github/workflows/licensed.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Check licenses
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # prefer to use a full fetch for licensed workflows
       - uses: ruby/setup-ruby@354a1ad156761f5ee2b7b13fa8e09943a5e8d252 # v1.229.0
diff --git a/.github/workflows/publish-immutable-actions.yml b/.github/workflows/publish-immutable-actions.yml
index 3a60acbf..c92d91fe 100644
--- a/.github/workflows/publish-immutable-actions.yml
+++ b/.github/workflows/publish-immutable-actions.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checking out
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Publish
         id: publish
         uses: actions/publish-immutable-action@0.0.4
diff --git a/.github/workflows/pull-request-test.yml b/.github/workflows/pull-request-test.yml
index 3dec9d5a..1f149edc 100644
--- a/.github/workflows/pull-request-test.yml
+++ b/.github/workflows/pull-request-test.yml
@@ -13,7 +13,7 @@ jobs:
   pull-request-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: ./
         with:
           script: |