diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4dbe8c..0a7d234 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       contents: read
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/setup
@@ -27,7 +27,7 @@ jobs:
       contents: read
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/setup
@@ -40,7 +40,7 @@ jobs:
       contents: read
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/setup
diff --git a/.github/workflows/claude-renovate-review.yml b/.github/workflows/claude-renovate-review.yml
index 2ffc562..a937559 100644
--- a/.github/workflows/claude-renovate-review.yml
+++ b/.github/workflows/claude-renovate-review.yml
@@ -21,7 +21,7 @@ jobs:
       contents: read
       pull-requests: write
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: koki-develop/claude-renovate-review@11362b12a07eae38f2fe2c53890c52a7e825d64c # v1.0.5
diff --git a/.github/workflows/github-actions-lint.yml b/.github/workflows/github-actions-lint.yml
index da0eddc..f3e7d07 100644
--- a/.github/workflows/github-actions-lint.yml
+++ b/.github/workflows/github-actions-lint.yml
@@ -23,7 +23,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: koki-develop/github-actions-lint/actionlint@62dfef5c9854a07712bad7af3bee7edb0c1109b1 # v1.4.1
@@ -34,7 +34,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: koki-develop/github-actions-lint/ghalint@62dfef5c9854a07712bad7af3bee7edb0c1109b1 # v1.4.1
@@ -47,7 +47,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: koki-develop/github-actions-lint/zizmor@62dfef5c9854a07712bad7af3bee7edb0c1109b1 # v1.4.1
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 0f4acf3..2e8751e 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -36,7 +36,7 @@ jobs:
     permissions:
       contents: write # for upload release assets
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           fetch-depth: 0
           persist-credentials: false
diff --git a/.github/workflows/update-demo.yml b/.github/workflows/update-demo.yml
index 805603d..78b6c62 100644
--- a/.github/workflows/update-demo.yml
+++ b/.github/workflows/update-demo.yml
@@ -13,7 +13,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/setup
diff --git a/.github/workflows/update-docs.yml b/.github/workflows/update-docs.yml
index 629dc6f..022f97a 100644
--- a/.github/workflows/update-docs.yml
+++ b/.github/workflows/update-docs.yml
@@ -19,7 +19,7 @@ jobs:
       contents: write
       pull-requests: write
     steps:
-      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/setup