diff --git a/.github/workflows/integration_test.yml b/.github/workflows/integration_test.yml
index b70a8935..26f5e648 100644
--- a/.github/workflows/integration_test.yml
+++ b/.github/workflows/integration_test.yml
@@ -27,7 +27,7 @@ jobs:
     name: test (ruby=${{ matrix.entry.ruby }}, concurrency=${{ matrix.entry.concurrency || 'none' }})
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 03814dc3..e7350586 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
diff --git a/.github/workflows/pr_lint.yml b/.github/workflows/pr_lint.yml
index 13dc81bd..577f29f7 100644
--- a/.github/workflows/pr_lint.yml
+++ b/.github/workflows/pr_lint.yml
@@ -8,7 +8,7 @@ jobs:
       BUNDLE_GEMFILE: ${{ github.workspace }}/Gemfile.danger
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Set up Ruby
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ba0356ab..01ec2ee0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,7 +18,7 @@ jobs:
     name: test (ruby=${{ matrix.entry.ruby }}${{ matrix.entry.concurrency && ', concurrency=' }}${{ matrix.entry.concurrency }})
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Set Concurrency
         run: |
           if [[ ! -z "${{ matrix.entry.concurrency }}" ]]; then
diff --git a/.github/workflows/update_api.yml b/.github/workflows/update_api.yml
index 96116662..512e1a40 100644
--- a/.github/workflows/update_api.yml
+++ b/.github/workflows/update_api.yml
@@ -11,7 +11,7 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: recursive
           fetch-depth: 0